I came across this sum in the Unitary Method With Fractions exercise in my Math Textbook. What am I supposed to do here?
Last week we picked 1/3 of our grapes and this week we picked 1/4 of them. So far we have picked 3682 kg of grapes. What is the total weight of grapes we expect to pick?
Last week we picked 1/3 of our grapes and this week we picked 1/4 of them. So far we have picked 3682 kg of grapes. What is the total weight of grapes we expect to pick?
2 Answers
Explanation:
Let
Last week we picked
This week we picked
Over these two weeks we have picked
To solve, multiply both sides of the equation by the common denominator 12 (
Distribute
Combine like terms
Divide both sides by 7
Find what 1 part is, then find the value of ALL the parts:
Explanation:
The "Unitary method" means to find out what ONE part represents.
Unit = one .
What fraction of grapes have been picked altogether so far?
=
If
Then