Veron Ng's answer to Sean's Primary 6 Maths Data Analysis Singapore question.

done {{ upvoteCount }} Upvotes
clear {{ downvoteCount * -1 }} Downvotes
Veron Ng
Veron Ng's answer
11 answers (Tutor Details)
1. find how many car(s) one boy can wash in 4 hours.
2. find how long one boy takes to finish washing one car.
3. find how long one boy takes to finish washing 4 cars.
4. find how long four boys take to finish washing 4 cars.

The idea is to find how long it takes for one boy to finish washing one car in one hour first.