what strategy would be the best to solve this problem?

ann-marie bought apples. she kept one-third for herself and gave the rest to 4 friends. each friend got 2 apples. how many apples did ann-marie buy?

a. guess, check and revise
b. work backwards
c. use a formula
d. look for patterns

Write the sentence as an equation. 6 fewer than the quantity 140 times j equals 104

Someone answer this asap rn for ! a discount store’s prices are 25% lower than department store prices. the function c(x) = 0.75x can be used to determine the cost c, in dollars, of an item, where x is the department store price, in dollars. if the item has not sold in one month, the discount store takes an additional 20% off the discounted price and an additional $5 off the total purchase. the function d(y) = 0.80y - 5 can be used to find d, the cost, in dollars, of an item that has not been sold for a month, where y is the discount store price, in dollars. create a function d(c(x)) that represents the final price of an item when a costumer buys an item that has been in the discount store for a month. d(c(x)) =

Interpret the following expression (5y^2-7)^3/(2y)^2