Answer:
The answer to your question is "it is necessary to order 85 pizzas to feed 300 students"
Step-by-step explanation:
Data
7 pizzas feed 25 students
? pizzas feed 300 students
To solve this problem use proportions
We know:
7 pizzas ------------------ 25 students
x pizzas ----------------- 300 students
Solve using cross multiplication
x = (300 x 7) / 25
Simplification
x = 2100 / 25
Result
x = 85 pizzas
It is the first bubble.
multiply the fraction
multiply the numerators and denominators seperatly
calculate the product
multiply the numbers
solution
15.48 lbs
4.7/1 x/3.4
Proportions