Equation + addition - practice problems
Number of problems found: 170
- Lara's sequence
Lara starts with a number less than 20. She divides it by 2 adds 6. She then divides this result by 3 her answer is 4.5 What number does she start with? - Fraction number
If two-thirds of a number is added to one-ninth of the same number, the result is 7. Find the number. - Cupcakes
Keia and Hiro made a total of 27 cupcakes. Keia made 2 times as many cupcakes as Hiro. How many cupcakes did Hiro make? - EE school boarding
Three vectors, A, B, and C, are related as follows: A/C = 2 at 120 deg, A + B = -5 + j15, C = conjugate of B. Find C. - The numerator
The numerator of the fraction is 5 more than its denominator. If 4 is added to the numerator and denominator, the fraction obtained is 6/5. What is that fraction? - Each pack
Each pack of hot dogs costs 3.50, and each pack of hot dog buns costs 2.00. The lunchroom staff spends 48.00 when they buy an equal number of hot dogs and hot dog buns. How many packs of hot dogs and hot dog buns do they buy? - Flower shop
In a flower shop, a bunch containing 3 tulips, 2 roses, and 1 daffodil cost $10.79. A different bunch containing 1 tulip, 2 roses, and 3 daffodils costs $10.13. A tulip costs 35 cents more than a rose. How much does 1 tulip and 1 rose, and 1 daffodil cost - Which 15
Which two digits need to be interchanged to make the following equation correct? 16+7*2+4-3=12 A) 2 and 4 B) 7 and 4 C) 16 and 2 D) 7 and 3 - Xero had
Xero had a piece of ribbon. He used 0.4 of it to tie 2 small boxes and 2 large boxes. The length of ribbon needed for a large box is 3 times the length of ribbon needed for a small box. Xero used 5/6 of the remaining ribbon to decorate the presents. a) Wh - Small and large bread
Kipton's aunt bakes a large loaf of bread and a small loaf of bread. She cuts each loaf into tenths and gives Kipton 2 tenths of each loaf to take home. Kipton writes the equation 2/10 + 2/10 = 4/10 to show the amount of bread he takes home. Explain Kipto - Solve 19
Solve equation with fractions: 1/3+what=1/5 - The sum 39
The sum of the first six terms of the arithmetic sequence is 72, and the second term is seven times the fifth term. Find the first term and the AP difference. - The sum 35
The sum of the two numbers is -20. One number is 3 more than the other one. Find the numbers. - Temperature 53
The temperature this afternoon was X. The temperature has fallen 5 degrees and is now 68. What was the temperature this afternoon? - Decimal numbers
When two decimal numbers are multiplied, the answer is 0.072. When the same two decimal numbers are added, the answer is 0.72. What are the two decimal numbers? - 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 32
The sum of three consecutive odd numbers is 33. What are the three consecutive odd numbers? - The sum 31
The sum of two fractions is 13 3/4. Their difference is 8 1/5. What are fractions? - The sum 29
The sum of the two numbers is 35.407. If one number is 21.7043, find the other number. - Five times
Five times a number divided by three is ten. What is the number? a.5 b.6 c.7 d.8
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