#21-3: in 1985, a gallon of mil costs $2.26. in 2005 the price increased to $2.45. find the percent of increase for the cost of a gallon of milk. find the amount of increase and divide by the original amount. round to the nearest tenth.

8.4

Step-by-step explanation:

1985 milk price: $2.26

2005 milk price: $2.45

2.45-2.26=0.19/2.26= 0.0840708 x 100 = 8.40707965 round to 8.4

You will minus the 2005 price by the 1985 price, and then divide by 1985 price. After that step, you will multiply by 100 and round to the nearest tenth.

dont know

step-by-step explanation:

answer: bea's uncle is 25 years old.

step-by-step explanation:

given the equation , we can say that the variable "x" represents the age of bea's uncle. then to find his age, we need to solve for "x":

we must add 15 to both sides of the equation:

now we need to divide both sides of the equation by 3:

therefore, we can conclude that bea's uncle is 25 years old.