Other
simultaneous equations

Question Description

I don’t understand this question and need help to study.

using simultaneous equations solve these problems

a)  A moneybox contains only 20-cent coins and 50-cent coins. If there are

57 coins in the moneybox and their total value is $24.30, how many 20-

cent coins and how many 50-cent coins are there?

b) Twelve years ago Jack was five times as old as Jill. In 3 years’ time

Jill will be half of Jack’s age. What are Jack and Jill’s present ages?

Student has agreed that all tutoring, explanations, and answers provided by the tutor will be used to help in the learning process and in accordance with Studypool's honor code & terms of service.

Final Answer

ikire (128)
Rice University

Anonymous
The tutor was pretty knowledgeable, efficient and polite. Great service!

Anonymous
Heard about Studypool for a while and finally tried it. Glad I did caus this was really helpful.

Anonymous
Just what I needed… fantastic!

Studypool
4.7
Trustpilot
4.5
Sitejabber
4.4