x+2=5
3
3x+1=7
2
2x+3=15-4
Sarah bought a notebook for $5. She gave the cashier $10. How much change did Sarah receive?
$5
North buy 7 brownie and each brownie cost $2.45. if the next day north but 5 more brownie what the total cost of the brownie
$29.4
3x=6
2
3y-5=10
5
3y-4=2y+6
10
A box contains x apples. If 8 apple are added, there will be 20 apples in total. How many apples were originally in the box?
12 apples
Jelly run 17miles on Monday. however on Wednesday she run 3/4 lesser than Monday. if on Tuesday she run 4 times more than Wednesday. how much did she run on Tuesday?
17miles
z-8=-3
5
(z/4)+6=10
16
2(z+5)=3z-7
17
Tom drove 120 miles in 4 hours. If he drove at a constant speed, what was his speed in miles per hour?
30 miles
A car rental service charges $50 per day and one-time $20 insurance fee. If the total cost for renting a car is $170, for how many days was the car rented?
3 days
a/4=-7
-28
5a-7=-2
1
5a-3(a-4)=6+a
-6
A baker used 1.4 of a bag of flour to bake a cake. if the total amount to bake a cake. If the total amount of flour used was 3 kilograms, how many bag kilogram were in the whole bag?
2.14 kilograms
Eliana come to school for a week(5 days). Each day Eliana spends 7hour and 15min in school. How many hour did Eliana spend in school for a week.
36.15 hour
-3b=21
7
-3b+8=-4
4
4(b-2)+3b=2(b+5)+6
4.8
A temperature sensor shows that the temperature increased by 50C from its current value and is now 180C. What was the original temperature?
130oc
A rectangle's length is three times its width. The perimeter of the rectangle is 48cm. What is the width of the rectangle?
6cm