5*5+5=30
5*5-15=10
30/10= 3
Answer:
11 calls
Step-by-step explanation:
She has already spent 42 min. Also she wants to talk for 2 min per call. We can change calls on x. So, only 2x min for her calls left.
42 + 2x = 64
2x = 64 - 42
2x= 22
x=11
Answer: 11 calls
Answer:
325.5
Step-by-step explanation:
multiply 62 and 5.25 to get 325.5
Answer:
So calculate the negative answers and turn them into absolute value. Then put them in order.
Step-by-step explanation:
Solution :
a). The point estimate of proportion of college graduates among women who work at home,

= 0.3281
99.5% confidence interval



