Answer:
C
Step-by-step explanation:
use a proportion
( 3/4 ) / 1 1/8 = ( 4/4) / x teaspoons
x = 1.5
Answer:
-2
Step-by-step explanation:

the line is going down meaning its a negative and to find the slope do rise over run
Answer:
first one is a and the second one is c
Answer:
Step-by-step explanation:4 -2x=3x +2
4-2=3x+2x
2=5x
X=2/5
Let x and y be the rate per hour for Mechanic 1 and 2 respectively.
Then,
x+y=205 ---------- (1)
Additionally,
10x+15y = 2500 ------ (2)
Solving equations 1 and 2;
Multiply (1) by 10 and subtract two from the result,
10x+10y = 2050
10x +15 y =2500
----------------------
-5 y = --450 => y = 450/5 = $90
Then,
x= 205-90 = $115
Therefore,
Mechanic 1 charged $115 per hour
Mechanic 2 charged $90 per hour