In 1975 the price of gasoline per gallon was 52.5 cents. with the 1975 price as the reference value, the gasoline price index for 1998 is 192.4. what was the cost of a gallon of gasoline in 1998?

The number of 8th graders who responded to a poll of 6th grade and 8 th graders was one fourtg of the number of 6th graders whi responded if a total of 100 students responddd to the poll how many of the students responded were 6 th graders

Gabrielle's age is two times mikhail's age. the sum of their ages is 84. what is mikhail's age?

Eiko is wearing a magic ring that increases the power of her healing spell by 30%30\%30%30, percent. without the ring, her healing spell restores health points. which of the following expressions could represent how many health points the spell restores when eiko is wearing the magic ring?