Phyllis (Full Time Private Tutor)'s answer to Yurishaaaulia's Primary 6 Maths Ratio Singapore question.
done
{{ upvoteCount }} Upvotes
clear
{{ downvoteCount * -1 }} Downvotes
A:J
4:7
“A” spent half, so she spent 2 units and will be left with 2 units.
“J” had twice as much money as “A”, which means J had 4 units in the end.
7units - 4units = 3 units
So “J” spent 3 units.
3units = $45
1unit=$45/3=$15
4units=$15x4=$60
Ans: “A” had $60 at first.
4:7
“A” spent half, so she spent 2 units and will be left with 2 units.
“J” had twice as much money as “A”, which means J had 4 units in the end.
7units - 4units = 3 units
So “J” spent 3 units.
3units = $45
1unit=$45/3=$15
4units=$15x4=$60
Ans: “A” had $60 at first.
Date Posted:
4 years ago
360 Tutoring Program