A restaurant sells a coffee refill mug for 8.7. Each refill cost $1.35. Last month, Antonio spent $41.15 on a mug and refills. Write an equation you can use to find the number of refills that Antonio bought.

The box plot shows the number of raisins found in sample boxes from brand c and from brand d. each box weighs the same. what could you infer by comparing the range of the data for each brand? a) a box of raisins from either brand has about 28 raisins. b) the number of raisins in boxes from brand c varies more than boxes from brand d. c) the number of raisins in boxes from brand d varies more than boxes from brand c. d) the number of raisins in boxes from either brand varies about the same.

Ingredient c: 1/4 cup for 2/3 serving or ingredient d: 1/3 cup for 3/4 serving which unit rate is smaller

How are algebraic expressions evaluated using substitution?