7/8 hr class 1/2 is for playing 1/5 is for instruction 3/10 is for cooling down and warm up. how much was spent for cooling down and warmup?

How can writing phrases as algebraic expressions you solve problems?

Twice the sum of a number and 2 is equal to three times the difference of the number and 8. find the number.

Acommunity group is building a garden on a rectangular lot of land. the lot measures 5x by 10x and the garden will be circular with a radius of 3x. how much of the land will be left over after the garden is built? a. 41 pi x^2 b. x^2 (50 - 9 pi) c. x^2 (50 - 3 pi) d. 41x^2