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Question
primary 6 | Maths
| Ratio
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Pls help . Really appreciate it. Thank u
Date Posted: 4 years ago
Views: 307
in the end
A: 2u
J: 4u
at first
A: 4u
J: 4u+45
A : J = 4 : 7
7-4 = 3
so 3u = 45
u = 15
at first, Ann has $60
...
A: 2u
J: 4u
at first
A: 4u
J: 4u+45
A : J = 4 : 7
7-4 = 3
so 3u = 45
u = 15
at first, Ann has $60
...
See 1 Answer
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.
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