How do you explain mental math to multiple two numbers

You are shopping for T-shirts. Which store offers the better deal? Belk : $25 for 2 shirts Old Navy : $45 for 4 shirts Target : $30 for 3 shirts Gap : $55 for 6 shirts

Which expression represents the greatest common factor (GCF) of 30 and 80? A. 2 X 5 B. 2 X 7 C. 7 X 5 D. 2 X 2 X 5

What is a answer that has been rounded calked

A bag contains yellow marbles and green marbles, 57 in total. The number of yellow marbles is 9 more than 5 times the number of green marbles. How many yellow marbles are there?

Each students in Ms. Wangs class will use a keyboard with 5 buttons on it to enter a 3-digit nunber. Each button has a different digit on it, from 1 through 5. (Some possible numbers are 111, 123, and 552.

Scarlett and bob split £63 in the ratio 3:4 how much money does bob get. give your answer in £.

Is 4 (x+2) equivalent to 4x+8?

A toy manufacturer makes a toy truck, a toy car, and a toy boat. The production spreadsheet is:Toy Time to Produce Cost to Produce Profit for Each Truck 10 minutes $1.00 $1.00 Car 12 minutes $0.75 $1.50 Boat 8 minutes $0.80 $0.

Divide 72 in a ration of 3:5

How do you write out. 32ft/sec to meters/min