30 tens - 3tens 3 tents = ?

Yoku is putting on sunscreen. he uses 2\text{ ml}2 ml to cover 50\text{ cm}^250 cm 2 of his skin. he wants to know how many milliliters of sunscreen (c)(c) he needs to cover 325\text{ cm}^2325 cm 2 of his skin. how many milliliters of sunscreen does yoku need to cover 325 \text{ cm}^2325 cm 2 of his skin?

You paid 28.00 for 8 gallons of gasoline. how much would you pay for 15 gallons of gasoline?

If olu is twice as old as funmi if the sum of their ages is 60 how old is olu