Kahal made an error in step 1 in his calculation.
Step-by-step explanation:
Inequality solved by Kahal;
4x-4>20
Steps used by Kahal
step 1: 4x-4>20
step 2: 4x>16
step 3: x>4
Kahal made mistake in first step where he subtracted 4 from 20. because to eliminate 4 we will add 4 on both sides which will make;
Step 1: 4x-4+4 > 20+4
4x>24
Thus,
Kahal made an error in step 1 in his calculation.
Keywords: inequality, addition
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Answer:
40%
Step-by-step explanation:
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Step-by-step explanation:
Answer:3
Step-by-step explanation:beacause if you wash 3 car in 50 minutes it i doubt he would do a extra car in 10 mins
