Answer:
103 dimes and 108 quarters
Step-by-step explanation:
Given
Required
Determine the number of each coin collected
Represent dimes with D and quarters with Q.
So:
--- Value
--- Amount
Make D the subject in
Substitute 211 - Q for D in
Open brackets
Collect Like Terms
Make Q the subject
Substitute 108 for Q in
1.6=v
h = 2A/b
multiply both sides by 2
2A = bh
divide both sides by b
2A/b = h