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Its value at 36 months was half its value at 54 months It depreciated $200 every 12 months Its value at 18 months was twice its value at 36 months Its depriciated $400 every 18 months w = ½d + 1 w = d - 1 d = 2w d = 2w - 2 Solve the equation 2a - 6 + 5a = 3a + 10 for a. a = Stephanie opened a checking account with a $223 deposit. Each month she earns $85 tutoring math, of which she spends $42 per month. She deposits the rest of her earnings into her checking account. Which expression best represents how much money Stephanie should have in her checking account after m months? |