Respuesta :

2÷16=8
8×5=40
40 grapes
Use a proportion.

Let the unknown number of grapes be x.

5 grapes to 2 strawberries equals x grapes to 16 strawberries.

5/2 = x/16

Cross multiply

2x = 5 * 16

2x = 80

Divide both sides by 2

x = 40

Answer: She will use 40 grapes.