Write an equation. Solve for the variable.
1. Ralph and Dave run a law care service. Since Dave owns all the equipment, he is supposed to earn $6 more than twice as much as Ralph each month. If Dave earned $906 in May, how much did Ralph earn?

Write this out as an equation first, where represents Ralph's earnings and represents Dave's earnings.

Substitute in the known value.

Subtract from both sides.

Divide both sides by .

$450.00 for 6 weeks

or

$300

step-by-step explanation:

$200.00 for first week $50.00 x5 equals $250 plus $200 equals $450.00 for six weeks.

$200 for first week

$200 x 0.10 = $20

$20 x 5 = $100

$200 + $100 = $300

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