These are one-step equation problems.

1. The average length of a King Cobra is 118 inches, which is 22 inches
longer than a Black Mamba. Write and solve an equation to find the
average length of a Black Mamba.
Gary and Paz together have $756. If Gary has $489, how much does Paz
have? Write and solve an equation to find out how much money belongs
to Paz.
Suppose your friends had a score of ­7
in the second round of a certain
game. This made her total score after two rounds equal to ­3.
Write and
solve an equation to find her score in the first round.
Mr. Vonada gives four quizzes each quarter for a total of 100 points.
Cleveland earned scores of 22 points, 19 points and 24 points on the first
three quizzes. Write and solve an equation to find the number of points
Cleveland earned on the fourth quiz if his total quiz points for the quarter
were 90 points.

2. A diver is swimming below sea level. A few minutes later the diver
descends 35 feet until she reaches a depth of 75 feet below sea level.
Write and solve an equation to find the diver’s original position.
Alejandra spent her birthday money on a videogame that cost $24, a new
controller for $13 and a memory card for $16. The tax on the purchase
was $3. Write and solve an equation to find how much money Alejandra
gave the cashier if she received $4 back in change.
A football team gained 10 yards after running two plays. The first play
resulted in a loss of 8 yards. Write and solve an equation to find the total
number of yards gained in the second play.
North Carolina has 15 electoral votes. Write and solve an equation to find
out how many electoral votes Florida has if they have 12 more than North
Carolina.

3. A jewelry store is selling a set of 4 pairs of gemstone earrings for $58,
including tax. Neva and three of her friends bought the gift set so each
could have one pair of earrings. Write and solve an equation to find how
much each person should pay.
In the winter of 2004, Pen Hadow and Simon Murray walked 680 miles to
the South Pole. The trip took 58 days. Write and solve an equation to find
the average number of miles the traveled each day.
TWO PROBLEMS
1) George Blanda was a kicker in the NFL for 26 years and scored 2,002.
Write and solve an equation to find how many points he averaged each
season.
2) After kicking in the NFL for 16 years, Norm Johnson scored a total of
1,736 points. Write and solve an equation to find how many points he
averaged each season.

4. TWO PROBLEMS
1) An average person’s heart beats about 103,680 times a day. Write and
solve an equation to find about how many times the average person’s
heart beats in one minute.
2) On average, a person blinks his or her eyes about 20,000 times a day.
About how many times is this per minute?