Writing expressions and equations
the product of -5 and x
-5x
Solve 34+x=-10
-44
j-34=-200
-166
7.8h=15.6
2
9 minutes less than Chang's time
t - 9
a+13=-24
11
h-46=88
134
t/30=6
5
4x=32.8
8.2
Twelve less a number is 40.
12 - n = 40
3.5+b=6.1
2.5
n-6.2=15.1
21.3
1/5r=70
350
3h=27
9
The quotient of a number an 6 is -7
n/6 = -7
j-4.6=1.6
6.2
A cheetah can travel at an amazing speed of 32 meters per second when chasing its prey. At that rate how long would it take the cheetah to run 2,000 meters?
62.5 mps
5c=500
100
Lily went to the store to by soda for a party. She needs about 20 cans of soda. She notices coke on sale for $4.95 for a 12 pack and $9.98 for a 24 pack. Find the unit rate (cost per can) to see which was the better deal?
12 pack of coke is $0.41
24 pack of coke
Cameron has 11 adult Fantail goldfish. This 7 fewer Fantail goldfish than his friend Julia has. Write and solve a subtraction equation to determine the number of fantail goldfish g that Julia has.
g-7 = 11; 18 Fantail goldfish
A rock climber is at an altitude of b feet before she climbs up another 80 feet. She is now at 230 feet. Where did she begin?
150 feet
Michael drove 77 miles per hour and covered a distance 154 miles. Write and solve an equation that tells how many hours Michael drove.
154=44t; 3.5 hours
Kim borrowed $1350 t buy a used car. If she repays $75 a month, how many months will it take to pay back the loan?
18 months