Answer:
a. 146
Step-by-step explanation:
{4*[72-6*(3+2)]}-22
=[4*(72-6*5)]-22
=[4*(72-30)]-22
=(4*42)-22
=168-22
=146
Answer:
Step-by-step explanation 10 + 2.50d = 850
David starts with $10 and each day he earns $2.50. The d represents a variable and can be any number.
To find d you must solve the equation.
10 + 2.50d = 850
2.50d = 840 (subtract 10 from 850)
d = 336 (divide 840 by 2.50)
It will take David 336 days to save $850.
Answer:
Shea's coworkers received .89 of a cookie each.
Step-by-step explanation:
18,698/297 = 62.9 rounded to 63
63/71 = .887 rounded to .89
.89 cookies
Answer:
Five feet?
Step-by-step explanation:
N/A
Answer:
38
Step-by-step explanation:
90 percent of 20 = 18
18+20
= 38
