Sally has five times as much money as fred. if fred earns $50 and sally spends $125, sally will then have twice as much money as fred. how much money do sally and fred have before and after spending $125 and earning $50, respectively?

In the field of thermodynamics, rankine is the unit used to measure temperature. one can convert temperature from celsius into rankine using the formula c= r/1.8 - 273, what is the temperature in celcius corresponding to r degrees rankine.

Angela is buying a dress that is on sale for 20% off. if the original price of the dress is $40.00, how much money is angela saving on the dress? a. $0.80 b. $3.20 c. $32.00 d. $8.00

Which graph represents the equation y =4x