Answer:
350
Step-by-step explanation:
If there are 210 girls, then the number of boys is (210÷3)x7=350.
Answer:
x=3
Step-by-step explanation:
please mark me as brainliest
Answer:
i belive it is the 3rd on
Step-by-step explanation:
sorry if wrong
Answer:
I believe it is twenty-one is 7 times the size of 3
Step-by-step explanation: