Odalys ordered mulch and river rock, which cost a total of $ , for her home. The given equation represents the relationship between the number of cubic yards of mulch, , and the number of tons of river rock, . Odalys ordered. How much more, in dollars, did a ton of river rock cost Odalys than a cubic yard of mulch?
Enter a number or fraction, e.g. 5, 0.5, 1/2
Explanation
Question Type: Math (Interpreting Equations)
💡 Trick: In cost equations ax + by = total, coefficients are unit prices.
Solution:
- 19.5x + 29.75y = 394
- 19.5 = cost per cubic yard of mulch
- 29.75 = cost per ton of river rock
- Difference = 29.75 - 19.5 = $10.25
Answer: 10.25