2 years ago

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Mathematics

1 answer:

Over [174]2 years ago

6 0

Answer:

brainliest answer b. 680

Step-by-step explanation:

40 hours is 400.00 (40×10)

time and a half is 10 + 1/2×10= 15

8 time 15 = 120

double = 10x2=20

20×8=160

400+120+160= 680

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