You have $4.00 worth of coins consisting of dimes and quarters
You have 5 more dimes than quarters
How many dimes and quarters do you have?
Step 1: Setup Coin Value and Coin Total Equation:
Coin Value Equation → 0.1d + 0.25q = $4.00 where d = dimes and q = quarters
Step 2: Rearrange Coin Total Equation in terms of dimes (d)
Since we have 5 more dimes than quarters, we set up our relational equation as follows:
Coin Total Equation → d = q + 5
d = q + 5 ← Revised Coin Total Equation
Step 3: Plug in our Revised Coin Total Equation for d into our Coin Value Equation:
0.1(q + 5) + 0.25q = $4.00
0.1(5) + 0.1(q) + 0.25q = $4.00
0.5 + 0.1q + 0.25q = $4.00
0.5 + (0.25 + 0.1)q = $4.00
0.5 + 0.35q = $4.00
Step 4: Subtract 0.5 from each side of the equation to isolate q
0.5 - 0.5 + 0.35q = $4.00 - 0.5
0.35q = 3.5
Step 5: Divide each side of the equation by 0.35 to isolate q
Cancel 0.35 on the left side:
q = 10
Step 6: Solve for d using our Coin Total Equation:
d = q + 5
Substitute q = 10
d = 10 + 5
d = 15
Final Answer
10 quarters and 15 dimes adds up to $4.00
You have 1 free calculations remaining
What is the Answer?
10 quarters and 15 dimes adds up to $4.00
How does the Coin Total Word Problems Calculator work?
Free Coin Total Word Problems Calculator - This word problem lesson solves for a quantity of two coins totaling a certain value with a certain amount more or less of one coin than another
This calculator has 2 inputs.
What 1 formula is used for the Coin Total Word Problems Calculator?
0.01p + 0.05n + 0.1d + 0.25q + dollars = TotalFor more math formulas, check out our Formula Dossier
What 8 concepts are covered in the Coin Total Word Problems Calculator?
coinA unit of currencycoin total word problemsdimecurrency unit worth 10 centsdollarCurrency unitnickelA currency unit worth 5 centspennyA currency value of one centquarterA currency unit worth 25 centsvalueExample calculations for the Coin Total Word Problems Calculator
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