Question

Write a formula to express the following sentence as an equation: The sale price us 25% off the original price. Use S for sale price and P for original price to express S as a function of P.

Answer 1

S = P(1 - 0.25)

Answer 2

S= 1p-0.25p
S= .75p

Answer 3

Diegos class planning a field tripfor 25 students.They will go to aquarioum and then to science museum. Each ticket for science cost $2 more than each ticket to aquarium. Lunch for each student is $5 additional.
Write and expression for total cost of trio.Describle the meaning of the variable used.My answer

x(25+)+(27+5) or 25x+31x=y

x=total cost of trip

Answer 4

A group of students volunteers at the animal it helping feeds the dogs. Each day small dogs eat 1/2 cup less dog food than medium sized dogs and large dogs eat 3/4 cup more dog food than the medium sized dogs. The shelter currently has 22 small dogs, 14 medium sides dogs and 8 large dogs.
Write and expression for the total amount of dog food the dogs eat each day, explaining what your variabl represents and what each term in your ecpression represents.