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tester [92]
3 years ago
11

The ratio of boys to girls in a group is 7:1. If there are 66 more boys than girls, work out how many girls there are.

Mathematics
1 answer:
Paha777 [63]3 years ago
7 0
Boys-77
Girls-11

b=7g
b=g+66

g+66=7g
(Subtract a g from both sides)
66=6g
girls=11
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