Question
P5.DA.JM.17083150-A1
The average number of erasers Justin and Cole had was 139. The average number of erasers Justin and Charlie was 66.5. Given that the ratio of the number of erasers Cole had to the number of erasers Charlie had was 7 : 2, find the number of erasers Justin had.
4 m
∑

Click ∑ button first when a symbol is required. X

Symbols

Enter the numerator and denominator


Enter value


2
Question Solution

1-minute grace period



When you click the Next button, you will be given 1-minute grace period to decide whether to do the next question type.

The question will be marked as incorrect if you exceed 1 minute and leave the question page.

Click the Back button instead if you would like to return to the topic page.

STUDENT

Primary 5 DATA ANALYSIS P5.DA.JM.17083150

04 Jul 2024, 11:29 PM

The average number of erasers Justin and Cole had was 139. The average number of erasers Justin and Charlie was 66.5. Given that the ratio of the number of erasers Cole had to the number of erasers Charlie had was 7 : 2, find the number of erasers Justin had.
Navigations
Contact Us
Members
Links