Answer:
See below
Step-by-step explanation:

Solve:


Check:





Solve:





Solve:

Answer:
the answer is 2.1
Step-by-step explanation:
using a calculator:
1. type in 4.2
2. multiply 4.2 by 1/2
3. the answer will then be shown as 2.1
After the mechanic it cost $1.88 cheaper to run the car
Answer:
x=5
Step-by-step explanation:
<=>12x-4x=32+8<=>8x=40<=>x=40/8=5