Answer:
4
Step-by-step explanation:
B + G = 5273
G = B + 231
B + B + 231 = 5273
2B + 231 = 5273
subtract 231 from both sides
2B = 5042
divide both sides by 2
B = 2521
G = 2521 + 231
G = 2752
There are 2752 girls and 2521 boys LETTER D
3/10 × 10 would be 30/100 which would make it easy to add to 21/100 and that would = 51/100