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Andrew gives a cashier $40 to buy 3 T-shirts that cost $n each. Which algebraic expression

represents the amount of change Andrew will receive?
O A. 40 + 3n
B. 40 - 3n
O C. 40 x 3n
O D. 40 = 3n
5
The expression 1.8C + 32, where C represents the temperature in degrees Celsius, shows how to
convert from degrees Celsius to degrees Fahrenheit. What
is the temperature in degrees
Fahrenheit when the temperature is 30°C?
o
A. 48.67°F
O B. 63.8°F
C. 86°F
D. 111.6°F


NEED HELP PLEASEEEE ON BOTH QUESTIONS PLEASEEEEE

User Mischa
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3.4k points

2 Answers

7 votes
B c I think? ?????????????
User Robyer
by
2.9k points
12 votes

Answer:

1. B (40- 3n)

2.c (86)

Explanation:

1. The shirts cost 3n. So you do 40- 3n(what the shirts cost) to find the amount of change he will recive.

2. Just plug the numbers in- 1.8(30) + 32=86.

User Ghassen Hamrouni
by
3.0k points