Answer:
7:3
Step-by-step explanation:
you now have 7 yellow parts, and three blue parts. The ratio of yellow:blue is therefore 7:3
Answer:
It is 20
Step-by-step explanation:
Use your fingers if necessary
Teacher will have 3 bottles of glue after he combines
<em><u>Solution:</u></em>
Given that,
The art teacher has 7 bottles of glue that are each 2/5 full
He combines them so he will have fewer bottles
<em><u>To find: bottles of glue does he have after he combines them</u></em>
From given,
Total bottles = 7
Each is 2/5 full
Therefore, multiply 7 with 2/5 to get total bottles of glues he will have after combining

Thus teacher will have 3 bottles of glue after he combines