Question
Howard, Zane, Sean and Peter bought a portable air-conditioner for their aunt. Howard paid 13 of what the rest paid. Zane paid 15 of what the rest paid. Sean paid 17 of what the rest paid. Peter paid $15 more than Howard. How much did the portable air-conditioner cost?
3 m

Click button first when a symbol is required. X

Howard, Zane, Sean and Peter bought a portable air-conditioner for their aunt. Howard paid 13 of what the rest paid. Zane paid 15 of what the rest paid. Sean paid 17 of what the rest paid. Peter paid $15 more than Howard. How much did the portable air-conditioner cost?