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rosijanka [135]
2 years ago
12

She earns $20 per hour as a carpenter and $25 per hour as a blacksmith. Last week Giselle worked both jobs for a total of 30 hou

rs and earn a total of $690 how long did she work as a carpenter last week and how long did she work as a blacksmith
Mathematics
2 answers:
dybincka [34]2 years ago
6 0
She wore as a carpenter for 12 hours (20 x 12 = 240) and she worked as a blacksmith for 18 hours (25 x 18 = 450) 240 + 450 = 690
Verizon [17]2 years ago
3 0

Answer:

There is a few combinations but as carpenter it is (9.5hrs x $20=$190 ) and as a blacksmith 20 x $25= 500

Step-by-step explanation:

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Find out the how much fluid should be drained and replaced with pure antifreeze so that the new mixture is 60% antifreeze .

To proof

let us assume that the fluid should be drained and replaced with pure antifreeze be x .

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= \frac{30}{100}

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