Ask Question
31 July, 07:13

A tennis instructor chargers $40 for each one hour lesson and $25 for each half hour lesson if the instructors I come from 35 lessons was $1115 how many one hour lessons did she give?

+1
Answers (1)
  1. 31 July, 08:05
    0
    X = 1 hr lessons and y = 1/2 hr lessons

    x + y = 35 ... y = 35 - x

    40x + 25y = 1115

    40x + 25 (35 - x) = 1115

    40x + 875 - 25x = 1115

    40x - 25x = 1115 - 875

    15x = 240

    x = 240/15

    x = 16 < = = = there are 16 one-hr lessons

    and 19 half-hr lessons
Know the Answer?
Not Sure About the Answer?
Find an answer to your question ✅ “A tennis instructor chargers $40 for each one hour lesson and $25 for each half hour lesson if the instructors I come from 35 lessons was ...” in 📘 Mathematics if you're in doubt about the correctness of the answers or there's no answer, then try to use the smart search and find answers to the similar questions.
Search for Other Answers