Answer:
1.23
2.60
3.45
4.37.524 (Im not incredibly posotive ab this one)
5.28
Step-by-step explanation:
3(n-7)=-30
3n-21= -30
3n = -9
n= -3
Answer:
a=-7.275*967
Step-by-step explanation:
Answer:
The number of boys who play tennis is 36.
Step-by-step explanation:
Let the number of boys who play tennis is x.
number of boys who play cricket = y
x = 3 y..... (1)
12 boys plays both cricket and tennis.
According to the question,
x - 12 = y + 1 2
3 y - 12 = y + 12
2 y = 24
y = 12
So, the number of boys who plays tennis is x = 3 x 12 = 36.
