Multiplication + addition - practice problems - page 4 of 17
Number of problems found: 325
- 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? - Matrices 2
Suppose A=(1 6 3 −2) B=(4 −3 −4 3) find 2A+3B - Decimetres 82870
Next to the road are 15 pillars at a distance of 2.5 meters. The pillars are 15 cm wide and stand at the beginning and end of the path. Calculate the length of the path in decimetres. - Expression 82698
Calculate the value of the expression V = 3x²- 2x + 3 for x = -2. - Friends 82546
Two friends, Martin and Juraj, agreed that they would score +26 points for wins and -16 points for losses. Juraj lost nine times and won four times. What was his final score? - Spacing 82540
There are 10 trees in a row with the same spacing x = =3 meters. How many meters does a person travel if he waters two trees at once - Fraction 82525
Of 32 students in the class, 3/4 of the children were on the trip. Write as a fraction what part of the students stayed at home. How many students were on the trip? - Students 82194
Out of 30 students in the class, 2 thirds of the children were on a trip, and all the others were at home. How many students stayed at home? - Fifteenths 81479
Little Aja planned to read the book, which has 120 pages, for 4 days. On the first day, she read a quarter of the whole book; on the second day, she had training and therefore only read two-fifteenths of the book; on the third day, she read seven-twentiet - Difference 81141
Calculate the difference between the sum and product of the numbers -7 and -2. - Children 80653
The children in the camp slept in a cottage with 17 2-bed and 25 3-bed rooms. Other children slept in 8 cabins. Each had 1 4-bed and 1 3-bed room. All rooms and beds were occupied. How many children were in the camp? - Mailing
Pablo's mailing packages, each small package costs $2.10 to send, and each large package costs him $2.90. How much will it cost him to send one small package and six large packages? - Quotient of two fractions
If the quotient of 8/9 and 1/3 is subtracted from the product of 2 3/4 and 1 3/5, what is the difference? Write the solution as a mixed number or a fraction in the lowest terms. - Expression values
Let A = 5, B = 4.4, and C = 4.25. Find the value of each expression listed below. A² × (B - C) B × (A - C) B + C - A A - B + C - Tracksuits
There are 250 tracksuits in a box. The shop sold 1/5 of the tracksuits on Monday, 1/10 on Tuesday, 2/5 on Wednesday, and the rest on Thursday. How many tracksuits did the shop sell on Thursday? - Yahir
Yahir purchased 2 slices of pizza for $1.95 each, 1 drink for $1.25, and 2 candy bars for $0.75 each at the football game. How much change did he receive from a $10 bill? - Product minus sum
How much is the product of 6 1/2 and 4 1/3 more than the sum of 3 1/3 and 2 1/6? - Fraction multiplied by the sum
Find the three-fifths of the sum of 18 and 17. - A counter
A counter ticket costs $18.79. If you're going to buy seven tickets plus a parking pass that costs $10, what would the total cost be?
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