Question

You can buy 12 cans of soda for $4.99 at the grocery store. At this same rate, how much

would it cost for 48 cans of soda?

Answer 1

$19.96

Explanation:

12 x 4 is 48 so we also multiple 4.99 by 4 and in dollars we get $19.96

Answer 2

Explanation:

Write and solve an equation of ratios:

12 $4.99

------- = -----------

48 x

where x is the cost for 48 cans.

Cross multiplying, we get 12x = $239.52. Solving this for x is accomplished by dividing both sides by 12:

$239.52

x = --------------- = $19.96

12

48 cans would cost $19.96.