How do you use common core (mental math) to find the answer to:

8*25*23=?

In Jamie's math class nine students chose soccer as their favorite sport. This amount represents 3/8 of the entire class the equation 3/8s = 9 can be used to find the total number of students in Jamie's class.

A set of scales is used to show that two lemons and seven tomatoes are required to balance one cabbage. If two lemons balance one tomato, how many tomatoes will balance one cabbage?

If Jackie were to paint her living room alone it would take five hours. Her sister Violet could do the job in six hours. How long would it take them working together?

Mrs. Favicchio has 72 students in her science class. how many packets of pH paper does she need to order?

If ABC = 20o, what is the measure of its complement CBD?

Find four consecutive integers such that twice the first subracted from the sum of the other three integers is 16.

2. A package of ground beef costs $6.98. The price per pound is $3.86. How many pounds of ground beef are in the package? Round to the nearest hundredth.

Which expression is equivalent to (st) (6) ? s (t (6)) s (x) * t (6) s (6) * t (6) 6 * s (x) * t (x)

Two cars are 312 miles apart and travel toward each other on the same they meet in three hours. One car travels 4 mph slower than the other. What is the average speed for each car?

Solve the system of equations using the linear combination method. {4j-2k=265j-2k=35 Enter your answers in the boxes.