High School

A parent makes peanut butter and jelly sandwiches with a 3:1 ratio of peanut butter to jelly. In other words, there are 3 tablespoons of peanut butter for every 1 tablespoon of jelly. If the parent uses 3 tablespoons of jelly total on the sandwiches, how much peanut butter is used?

Answer :

The amount of peanut butter will be 9 tablespoons.

What is mean by Ratio?

A ratio indicates how many times one number contain in another number. The ratio of two number is written as x : y, which is equivalent to x/y.

Where, x and y are individual amount of two quantities.

And, Total quantity gives after combine as x + y.

Given that;

The ratio to make peanut butter and jelly sandwiches with peanut butter to jelly = 3 : 1

Now,

The ratio of butter to jelly = 3 : 1

So, The amount of peanut butter = 3x

And, The amount of jelly = x

For, the parent uses 3 tablespoons of jelly.

The amount of jelly = x = 3

Hence, The amount of peanut butter = 3x

= 3 × 3

= 9

Thus, The amount of peanut butter will be 9 tablespoons.

Learn more about the ratio visit:

https://brainly.com/question/25927869

#SPJ5
Peanut butter : jelly
3 : 1
3x3 : 1x3
9 : 3

9 tablespoons of peanut butters us used.

Other Questions