Given:
Compound for an experiment = 4.25 ounces
Compound costs = $2.32 per ounce.
Teacher pays = $10
To find:
The amount of change teacher receive.
Solution:
Cost of 1 ounce of compound = $2.32
Cost of 4.25 ounce of compound = 4.25 × $2.32
= $9.86
It is given that, the teacher pays with a $10 bill.
Amount of change = $10 - $9.86
= $0.14
Therefore, the teacher receive $0.14 change.
