The ratio of boys to girls in a group is 3:1. If there are 28 more boys than girls, work out how many people there are in total.
1 answer:
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Answer:
Step-by-step explanation:
1) Simplify 1/3 ( x - 10) to x-10/3.
2) Multiply both sides by 3.
Simplify 4 × 3 to 12.
4) Add 10 to both sides.
5) Simplify -12 + 10 to -2.
So, therefor, the answer is, x = -2.