Two Step Equations
7h + 2 = 23
h = 3
2(x + 5) = 14
x = 2
n/15 = 3/18
n = 2.5
Find 3 consecutive integers with a sum of 21.
6, 7, 8
WRITE AN EQUATION & SOLVE: On Monday, 252 students went on a trip to the zoo. All 6 buses were filled and 6 students had to travel in cars. How many students were in each bus ?
b - # of student on each bus
6b + 6 = 252
b = 41 students
4b - 8 = 4
b = 3
1/2(4-k)=2/5
k = 16/5
10/2 = p/8
p = 40
Find 3 consecutive odd integers with a sum of 75.
23, 25, 27
Melanie spent half of her allowance going to the movies. She washed the family car and earned 7 dollars. What is her weekly allowance if she ended with 11 dollars ?
w - weekly allowance
w = $8
1/2x+7 = 11
m/6 - 3=8
m = 66
6(3a+1) - 30 = 3(2a-4)
a=1
(p + 6)/9 = p/13
P = -19.5
Find 3 consecutive integers with a sum of -36. What is the largest integer?
-11
Jenny was planning a trip to Western Samoa. Before going, she did some research and learned that the exchange rate is 6 Tala for $2. How many Tala would she get if she exchanged $6?
(6 Tala)/($2)= (x Tala)/($6)
18 Tala
-4 = (d + 3)/5
d = -23
-(x - 9) - 8= -24
x = 25
(6m-7)/10=m/4
m=2
3 consecutive even integers have a sum of -84. What is the largest of the three numbers?
-26 is the largest
(The numbers were -30, -28 and -26)
WRITE AN EQUATION & SOLVE: Sally had 70 dollars to spend on 7 books. After buying them she had 14 dollars. How much did each book cost ?
c - cost of each book
7c + 14 = 70
c = $8
-1/5 - 4/9a=2/15
a = -3/4
14v + 6 = 2(5 + 7v) - 4
all real number or infinite solution
Round your answer to the nearest hundredth
(3-y)/4=1/9
y=2.56
Four consecutive integers have a sum of -142. What is the product of the two largest numbers?
1190
The four numbers are: -37, -36, -35, -34
The product of the 2 largest number is -34(-35)= 1190
On Monday, a restaurant made $545 from selling 110 hamburgers. If they sold 53 hamburgers on Tuesday, how much did they make?
about $262.59
545/110 = x/53