9/10 = 36/40
9/10 x 4/4 = 36/40
I can help What is the question your trying to get an answer for
Answer:
Let the number of five's = 2x = 2x × 5 = 10x
Then the number of ten's = x = x × 10 = 10x
10x + 10x = 640
20x = 640
x = 32
There are 32 ten dollar bills.
Answer:
4 over 3
Step-by-step explanation:
First off, they give you the answer by showing you the Xs being broken down into 3 groups of 4 (4) and the circles being broken down into 3 groups of 3 (3).
We can use elimination since the Xs are the larger and circles are smaller. So using this, 3 over 4 cant be and neither can 9 over 12.
9 over 4 cant work either because going up by 9s and 4s cant get to 12 over 9.