Answer:
f(30)= 75
Step-by-step explanation:
3(30)-15
90-15
75
I think answer should be a. Please give me brainlest let me know if it’s correct or not okay thanks bye
Answer:
30 houses
Step-by-step explanation:
Time from 6:30 pm to 8:45 pm = 2 hr 15 min
Time in minutes = (2 hr × 60 min/hr) + 15 min = 135 min
Average visit = 9 min per 2 houses = 4.5 min per house
Number of visits = 135 min ÷ 4.5 min/house = 30 houses
<u>Answer:</u>
37 minutes
<u>Step-by-step explanation:</u>
Lena has 20 dollars. 20 - 12.23 = 7.77
Lena has $7.77 dollars left.
We divide this by .21 to see how many minutes her call was.
7.77 ÷ .21 = 37
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6/10 - 1/2...common denominator is 10
6/10 - 5/10 = 1/10 <==
