Rational numbers + multiplication - practice problems
Number of problems found: 93
- Angel 4
Angel bought 11 spools of wire. Each spool has 2.8 meters of wire. How many meters of wire did Angel buy in all? - 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? - 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 - 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? - Decimal places
How many decimal places would the product of 2.79 and 0.0043 have? - Number difference triple Three times the difference between 1.2 and 0.2
- Result from factoring
Calculate the second factor if one factor is 0.8, and the resulting product is 8 - Compare
Compare fractions (34)/(3) and (12)/(4). Which fraction of the lower? - Dinesh
Dinesh ate three cookies, each weighing 1.45 g. What was the total mass of the cookies he ate? - About what
How much and how many times is 28.3 greater than 0.0283? - Fraction comparison puzzle
How many times is a quarter of an eighth smaller than a third of a sixth? - Difference of a half
Calculate three times the half difference of 7.5 and 2.1, - Ratio - proportion
Reduce the number 16 in proportion. 3:2 5:4 11:8 - Missing factor
Find the missing factor. ? × 0.011 = 0.000121 - The cost 6
The cost of 1 liter of milk is rs 0.68. Find the cost of 7 liters of milk. - Number product fraction
Write one-sixth product of the numbers 4.8 and 0.4 as a fraction in the basic form. - Expression 8
Evaluate this expressions: a) 5[3 + 4(2.8 - 3)] b) 5×(8-4)÷4-2 - Number difference Calculate the difference between the sum of the numbers 1.04 and 0.56 and the product of the numbers opposite to them.
- Evaluate
The division of numbers 6 and 3 increases as a by-product of the numbers 115 and 0.1. - Division
Divide by the number 1.4 is the same as multiplying by what number?
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