Solve and Write Addition Equations
g + 16 = 38
g + 16 = 38
- 16 =-16
g = 22
f - 18 = 20
f - 18 = 20
+18. +18
f = 38
3x = 12
3x =12
3x/3 = 12/3
x = 4
r / 2 = 8
r/2 x2 = 8x2
r = 16
Kyle runs 5 miles more per week than his brother Bryan. If Kyle runs 17 miles per week, what equation could be used to find the number of miles Bryan runs each week?
b + 5 = 17
172 + x = 200
172 + x = 200
-172 -172
x = 28
r - 25.5 = 52
r - 25.5 = 52
+25.5 +25.5
r = 77.5
2s = 52
2s = 52
2s/2 = 52/2
s = 26
t / 24 = 2
t / 24 = 2
t/24x24 = 2x24
t = 48
Hugh bought 2 bottles of water. If the total cost of the water was $4.50, what equation could be used to find the cost of each bottle of water?
2x = $4.50
14 = t + 3.7
14 = t + 3.7
-3.7 - 3.7
11.3 = t
b - 9.62 = 100
b - 9.62 = 100
+9.62 +9.62
b = 109.62
6.2y = 24.8
6.2y= 24.8
6.2y/6.2 = 24.8/6.2
y = 4
e/ 12 = 48
e /12 = 48
e/ 12 x 12 = 48 x 12
e = 576
One third of the oranges in the garden are ripe. If 6 oranges are ripe, which equation can be used to find the total number of tomatoes in the garden?
o/3 = 6
25.34 + y = 37.19
25.34 + y = 37.19
-25.34 -25.34
y= 11.85
- 62 + c =93
- 62 + c = 93
+62 +62
c = 155
4.8r = 2.4
4.8r/4.8.= 2.4/4.8
r = 1/2
x / 10.5 = 25.2
x / 10.5 =25.2
x/10.5 x 10.5 = 25.2x 10.5
x= 264.6
Jane is 132 centimeters tall. This is twice the height of her younger brother. How tall is her younger brother?
h x 2 = 132
66cm
z + 2/3 = 9/10
z + 2/3 = 9/10
- 2/3 -2/3
-20/30 -20/30
27/30- 20/30 = 7/30
y - 3/4 = 7/8
y - 3/4 = 7/8
+3/4 +3/4
y = 7/8 + 6/8 = 13/8
y = 1 5/8
3/8 p = 1/12
3/8p /3/8= 1/12 / 3/8
8/24 = 1/3
p= 1/3
z / 2.5 = 80.25
z/2.5x2.5 = 32.1x2.5
z = 80.25
For every quarter spent, Roger receives 50 food pebbles to feed the fish at a hatchery. Roger has thrown 350 food pebbles into the fish pools. Write and solve an equation to find the number of quarters Roger spend at the hatchery.
50q = 350
50q/50 = 350 / 50
q = 7