{person( 1 ) hopes to one day play professional baseball. |}{During the first few months of baseball season|In the first 100 games of the baseball season}, person( 1 ) hit X home runs.
{If person( 1 ) wants to hit a total of Q home runs by the end of the season, how many more runs will he( 1 ) need to hit in the remaining games|How many more home runs will he( 1 ) need to hit to get a total of Q home runs by the end of the season}?
Home runs already hit + Home runs he( 1 ) needs to hit = Total home runs wanted
Home runs already hit = X
Total home runs wanted = Q
Home runs he needs to hit = x
X + x = Q
x = Q - X
P = Q - X
person( 1 ) needs to hit P
home runs in the remaining games.
person( 1 ) {earned $Q by babysitting his neighbors for X hours.|babysat his( 1 ) neighbors for X hours and earned $Q.}
What is person( 1 )’s hourly wage ?
(Extra Info: Round to the nearest hundredth of a dollar.)
Number of hours he( 1 ) babysat x Amount of money earned per hour = Total amount of money earned.
Number of hours he( 1 ) babysat = X
Total amount of money earned = Q
Amount of money earned per hour = y
Xy = Q
y = \dfrac{Q}{X}
P = \dfrac{Q}{X}
person( 1 ) earned $P
per hour while babysitting.
{person( 1 ) paid $X for a t-shirt and received $Q in change.|When buying a t-shirt at a clothing store, person( 1 ) gave the cashier $X and received $Q in change.}
How much did the t-shirt cost?
Total t-shirt cost + Change received = Amount given to cashier
Change received = Q
Amount given to cashier = X
Total t-shirt cost = x
x + Q = X
x = X - Q
P = X - Q
The t-shirt cost $P
.
person( 1 ) works as a cashier at the grocery store in his( 1 ) town. {Milk is one of the fastest selling items, and right at the start of his( 1 ) shift someone|A customer came in and} bought X gallons of milk for a total of $Q.
How much did each gallon of milk cost?
Gallons of milk bought x Cost per gallon of milk = Total cost
Gallons of milk bought = Q
Total cost = X
Cost per gallon of milk = y
Qy = X
y = \dfrac{Q}{X}
P = \dfrac{Q}{X}
Each gallon of milk cost $P
.
person( 1 ) {ran the final leg of a|was the final runner of a 3 leg} Q-mile relay race. {When person( 1 )’s teammate handed him( 1 ) the baton|Right before starting his leg of the race}, the team had already completed X miles of the race.
How far did person( 1 ) run to complete the race?
Miles he( 1 ) ran + Miles already completed = Total Miles
Miles already completed = X
Total miles = Q
Miles he( 1 ) ran = x
x + X = Q
x = Q - X
P = Q - X
person( 1 ) ran P
miles to finish the race.