Answer:

50

Step-by-step explanation:

The ratio of chocolates to ice-cream cones in a box is 3:5.

If there are 30 chocolates, then there are how many ice cream cones in all?

Let n be the missing value.

3:5 = 30:n

Multiply the means of the ratios.

• 5 x 30 = 150

Divide the only extreme on the product of two means.

• 150 ÷ 3 = 50

n = 50