Answer:
use photo math
Step-by-step explanation:
4*3=12 (4 hours for on three days)
12+8=20 (plus 8 hours for Saturday)
So 20 hours per week
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Answer:
x = -1
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Step-by-step explanation:
Solve for x in the equation: 3(x-4)+6=5(x-1)+1

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Answer:
200 questions on the final exam.
Step-by-step explanation:
38% = 76 questions, 100% = 2.63157894737 x 76 = 200
(100/38=2.63157894737 hence this is the answer)
Answer:
63*42=2646
22*22=484
Area of Shaded Gray portion=2646-484=2162