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Anvisha [2.4K]
2 years ago
12

7.) Plumbers earn $160 a day and plumbers' helpers earn $100 a day. Twenty

Mathematics
1 answer:
9966 [12]2 years ago
6 0

Answer:

Step-by-step explanation:

p and h are number of plumbers and helpers, respectively.

Twenty workers earn a total of $2600

p+h = 20

h = 20-p

160p + 100h = 2600

160p + 100(20-p) = 2600

60p = 600

p = 10

h = 20-p = 10

Ten plumbers and ten helpers.

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