Answer:
9 people
Step-by-step explanation:
We can use a ratio to solve
3 lbs x lbs
---------- = ----------
7 people 21 people
Using cross products
3 *21 = 7x
63 = 7x
Divide by 7
63/7 = 7x/7
9 =x
Answer:
9 pounds of fruits serve 21 people
Step-by-step explanation:
3 pounds = 7 people
x pounds = 21 people
Using cross multiplication method
3 × 7 = 7 × x
multiply
63 = 7 x.
Divide each side by 7
63 / 7 = 7 x / 7
9 = x
