Expression and formulas from words
1.) A large bottle holds y litres whilst a smaller bottle holds one quater as much. How much doss the smaller bottle hold?
Formula: smaller bottle = y/4
2.) The perimeter of a rectangle is 36 cm. The length is 4 cm more than twice the width. What are the dimensions of the rectangle?
Expression: 2(length + width) = 36
Formula: length = 2w + 4, width = w
3.) The total cost, C, for a car rental service is the sum of a fixed fee, F, and a charge for every mile driven, M. If a customer drives d miles and the charge per mile is c, what is the formula for the total cost of the rental?
Formula: C = F + (c x d)