Ask Question
7 October, 11:36

A money box contains only 10-cent and 20-cent coins. There are 34 coins with a total value of $5.40. How many coins of each

+4
Answers (1)
  1. 7 October, 13:34
    0
    10x+20y=540

    x+y=34

    y=34-x

    Plug in (34-x) for y:

    10x+20 (34-x) = 540

    10x+680-20x=540

    -10x=-140

    10x=140

    x=14

    There were 14 ten cent coins and 20 20 cent coins
Know the Answer?
Not Sure About the Answer?
Get an answer to your question ✅ “A money box contains only 10-cent and 20-cent coins. There are 34 coins with a total value of $5.40. How many coins of each ...” in 📙 Mathematics if there is no answer or all answers are wrong, use a search bar and try to find the answer among similar questions.
Search for Other Answers