Equations and Solutions
d+9=25
d=6,14,16,21
d=16
x-17=13
x=30
t÷3=10
t=30
A pan balance has 3 cubes on one pan and 11 cubes on the other pan. Mary thinks she should add 7, 8, 9, or 10 cubes to make the pans balance. How can you use the equation 3+c=11 to find the number of cubes Mary should add?
c=8
What is Mr. Davis' favorite drink?
Coffee
c-8=25
c=17,28,33,35
c=33
r + 1.23 = 99.9
r = 98.67
11.7x = 290.16
x = 24.8
Peter had t seashells. After he bought 8 more seashells, she had 24 seashells. Write and solve an equation to find the number of seashells Peter started with.
t+8=24
t=16
What shoe does Mr. Davis wear every Friday?
Crocs
2y=30
y=10,12,24,36
No Solution
z - 31.3 = 17.6
z = 48.9
w ÷ 1.2=.9
x=1.08
John is 18 years older than James. James is 34. Write and solve an equation to find John's age, y.
y-18=34
y=52
What sport does Mr. Davis coach?
Wrestling
150÷h=50
h=2,3,4,5
H=3
5/8 + w = 3/4
w = 1/8
y ÷ 3/4 = 11
y = 8 1/4
In 12 weeks Thomas earns $4,500 doing yard work. He earns the same amount each week. Let m stand for the amount earned each week. Write an equation and solve how much does Thomas make in 1 week?
12m=4,500
m=375
How many kids does Mr. Davis have? (bonus points for names)
2 kids. Rudy and Leeland
f-13.3=28.9
f=38.7,42.2,45.8,51.4
f=42.2
p - 1/4 = 2 2/3
p = 2 11/12
3/8 x= 18
x= 48
In October, Philip's school used b pounds of sand to protect the building against flooding during different tropical storms. Each bag contains 40 lbs of sand. They used 123 bags of sand. Write and solve an equation to find how much sand was used.
b ÷ 40 = 123
b = 4920
How old is Mr. Davis?
28 years old.