Solving Word Problems 1
Xia spent $39 on a magazine and some candy bars. If the magazine cost $4 and each candy bar cost $5 then how many candy bars did she buy?
4 + 5c = 39
c = 7 candy bars
n * n / n = n = 5 and 25
because 25 = 5*5 and 25/5 = 5
3(x + 1) = 12
x = 3
15 - r = 8
r = 7
Kashleah rented a bike from Bikes-R-Us. It cost $14 plus $3 per hour. If Kashleah paid $32 then she rented the bike for how many hours?
14 + 3h = 32
h = 6 hours
Lucy has $20 to spend on dog bones. She already spent $5 on a new toy. If each dog treat costs $0.05, how many dog treats can she afford to buy?
20 = 5 + 0.05d
d = 300 dog treats
Solve: 6 + 14a - 8a = 0
a = -1
Write "8 subtracted from two times the sum of a number and 4" as an expression.
2(n + 4) - 8
Jenny, Kenny, and Penny together have 50 marbles. Kenny has double as many marbles as Jenny has, and Penny has 12. How many does Jenny have?
n + 2n + 12 = 50
Darenzo won 40 pieces of gum playing basketball at his school's game night. Later, he gave two to each of his friends. He only has 8 remaining. How many friends received pieces of gum?
40 - 2f = 8
f = 16 friends
M&M's cost $2 per bag and starbursts cost $3.50 per bag. Mom buys twice as many M&M's bags as starbursts. How many bags does she buy of each if she spends $22.50 total?
s = # of starburst bags
2(2s) + 3.50s = 22.50
s = 3 starburst bags
6 M&M bags
-2(4 - 3x) = 8x - 1
x = (-2/7) or -0.29
Solve: 10p - 6p + 2 - p = 23
p = 7
The number of hours that were left in the day was one-third of the number of hours already passed. How many hours were left in the day?
p + (1/3)p = 24
Find three consecutive integers whose sum is 24.
x + x + 1 + x + 2 = 24
x = 7
7, 8, 9
The energy drink of the month club costs $10 per month plus a $25 joining fee. Jake is subscribing with a coupon for 15% off the monthly fee. He pays a total of $195 before he quits the subscription. How many months did he get energy drinks.
10m - 0.15(10m) + 25 = 195
m = 20 months
(2/9) - (3/8)x = 1/4
x = (-2/27) or -0.074 repeating
Give an example of an equation with no solution and an example of an equation with infinitely many solutions.
Answers vary.
0 = 0 (infinite)
0 = 10 (no solution)
Stacy needs a new iPod. The new iPod can hold 700 songs. If the new iPod holds 200 less than 3 times as many as her old iPod, how many songs did her old iPod hold?
3p - 200 = 700
p = 300 songs
Shane has 342 fewer than twice the number of candy canes that Jingle has. Shane has 756 candy canes. How many does Jingle have?
756 = 2c - 342
c = 549
(1/3)(x - 4) + x = (2/3)x + 10
x = 17
When is Ms. Dadisman's wedding? (Must give exact date)
June 6, 2020