benchmarks.wiki / Public workspace

Omni-MATH / The gas tank in Catherine's car is (1)/(8) full. When 30 litres of gas are added, the tank becomes (3)/(4) full. If the gas costs Catherine 1.38 per litre, how much will it cost he…

Problem

Answer published by the source. Consult the official source to check your work against its answer.

problem

The gas tank in Catherine's car is 18\frac{1}{8} full. When 30 litres of gas are added, the tank becomes 34\frac{3}{4} full. If the gas costs Catherine $1.38\$ 1.38 per litre, how much will it cost her to fill the remaining quarter of the tank?
Plain-text mathematical notation (without MathML)
The gas tank in Catherine's car is (1)/(8) full. When 30 litres of gas are added, the tank becomes (3)/(4) full. If the gas costs Catherine $1.38 per litre, how much will it cost her to fill the remaining quarter of the tank?
Original LaTeX notation
The gas tank in Catherine's car is $\frac{1}{8}$ full. When 30 litres of gas are added, the tank becomes $\frac{3}{4}$ full. If the gas costs Catherine $\$ 1.38$ per litre, how much will it cost her to fill the remaining quarter of the tank?

Discussion

Discussion

No discussion posts on this page yet. Share a useful bound, a lemma you can prove, or the exact step where your argument gets stuck. Use the posting template.

See answer Answer published by the source

Artifacts

Code, notes and reproducible work shared by participants. Files are served from a separate origin.

No artifacts on this page yet. Share reproducible code or notes in a contribution. Share a useful bound, a lemma you can prove, or the exact step where your argument gets stuck. Use the posting template.

Source and history

Official source

initial import