# Rational numbers - practice problems - page 2 of 20

a rational number is a number that can be expressed as the fraction p/qof two integers, a numerator p and a non-zero positive denominator q. The decimal expansion of a rational number either terminates after a finite number of digits (example: 1/2 = 0.5), or eventually begins to repeat the same finite sequence of digits over and over - example 1/3 = 0.33333....

#### Number of problems found: 389

- A student 7

A student was asked to multiply 43.407 by 100. However, he multiplied the decimal fraction by 1000. What is the difference between both the products? - Sunaina

Sunaina bought 3 kg 450-gram apples, 2 kg 500 G mangoes, and 1 kg 125-gram grapes. What is the weight of fruits bought by Sunaina? - Decadic number

What is the expanded form of this number? 18.029 A: (1x10)+(8x1)+(2x1/10)+(9x1/100) B: (1×10)+(8×1)+(2×1/10)+(9×1/1,000) C: (1×10)+(8×1)+(2×1/100)+(9×1/1,000) D: (1×10)+(8×1)+(2×11/00)+(9×1/100) - A+B+C=one hundred

A+B+C=100. If A=27.5 and the value of B are between 10 and 15 and which has two decimal places, then what can be the greatest value of C? - Evaluate expression 10

Evaluate expression: (a-b)+c if a=7/10, b=3/5, and c=-1.9. Write your answer as a mixed number in simplest form. - An electrician 4

An electrician buys a 100 m length of 3 mm electrical cable. By the end of the week, he had used up 35.5 m of the total length. How much of the cable is left? - Ross is

Ross is using his understanding of place value to divide the decimal 72.56 by the decimal 0.2 Which of the division problems shown could he solve to give him the same answer? A. 7,256 divided by 0.2. B. 725.6 divided by 2. C. 72.56 divided by 2. D. 7,256 - Wang bought

Wang bought a box of a facemask at php 150.75 and a piece of a face shield at php 37.45. How much change did she get for her php 500 peso bill? - John bought

John bought a set of PE uniforms for $ 850.75, a school polo for $ 325.25, and pants for $ 480.50. How much change did he get for his $ 2,000.00? - Money balance

At the beginning of the month, Hector had $52.43 saved up. He then earned $16.94 doing chores and spent $20.35 at the mall. How much money does he have now? - Kurt bought

Kurt bought a sandwich for $5.70, a bag of chips for $2.50, and a drink for $1.55. The tax was $0.80. He gave the cashier $15.00. How much change should Kurt have received? - James 7

James bought a pair of shoes worth 650.00 pesos. Eyeglasses that cost p 86.75 and some school supplies worth p 538.95. How much did he spend in all? - Deposits and withdraw

Riza made the following deposits in the bank: 1,250.90, 850.05, 1,350.25, and 890.15. She will withdraw 1,250.60 for her tuition and 265.150 for her books. How much of her money will be left? - No problem

No problem; here are five decimal addition problems for you to practice: 1. What is the result of 3.5 + 2.1? 2. What is the result of 0.8 + 0.3? 3. What is the result of 5.2 + 1.7? 4. What is the result of 2.5 + 0.9? 5. What is the result of 1.4 + 0.6? I - An enterprise

An enterprise bought eight units of photocopiers for Php 25,655.50 each, a table for Php 12,340.75, a chair for Php 6,489.25, and an adding machine for Php 5,250.95. Find the total amount of the purchases. Division & multiplication are the operations to b - Jalissa's

Jalissa's mom purchased coffee from the local coffee shop. The first cup of coffee was $4.25. Each refill is $2.25. She also decided to get a bagel for $3.15. If Jalissa's mom had 2 refills and a $0.50 discount as part of the rewards program, how much did - Three rationals

Let x, y, and z represent three rational numbers, such that y is 512 times x and z is 50.25 more than x. If y=15.5, what is the value of z? - The sum 29

The sum of the two numbers is 35.407. If one number is 21.7043, find the other number. - Solve 25

Solve for a in (a+8)/2-3(a+10)/5=1. - The AP pattern

The number pattern below starts with 26.407. Subtract 0.325 from the previous term to find the next term.

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