Solving (1)
Solve.
x/4=3
x=12
Solve.
16-x=9
x=7
The sum of 3 consecutive integers is 75. Find the integers.
24,25,26
Solve then graph on a number line.
x-17le3
x le 20
Solve.
12x-5-3x=22
x=3
Solve.
2(3t + 5) – 4(2t – 1) = 6
t=4
Molly is 7 years older than triple Will's age. The sum of their ages is 67. How old is each person?
Molly is 52 and Will is 15.
Solve then graph on a number line.
7-xgt5
xlt2
Solve.
2(3t + 5) – 4(2t – 1) = 6
t=4
Solve.
4y-11=8y-3
y=-2
Three angles are complementary (they add up to 90 degrees). The first angle is 3 times the smallest angle. The middle angle is 15 degrees more than the smallest angle. Find the measures of the three angles.
The first angle is 45 degrees, the middle angle is 30 degrees, and the smallest angle is 15 degrees.
Solve then graph on a number line.
3d lt18
d lt 6
Solve.
2/3(x-4)=4
x=10
Solve.
2(3m-4)=-4(m+6)
m=-8/5
Four friends completed a project together, and their work hours are described below:
Alex worked 5 hours more than Taylor.
Jordan worked 2 times the amount of Taylor.
Casey worked 3 hours less than Alex.
All together, they worked 72 hours.
Find the number of hours each person worked.
Taylor: 13 hours
Alex: 18 hours
Jordan: 26 hours
Casey: 15 hours
Solve then graph on a number line.
21 ge 6+3b
5 ge b
Solve.
(h+2)/3=(3h-2)/5
h=4
Solve.
3(2x-1)=2(4x-5)
x=7/2
BRDHS is renting a hall for Semi Formal. The cost for the hall is $120 per hour plus $4 per person.
a. Write an equation to determine the cost of the hall.
b. How many people can attend if they have a budget of $1200 and plan to rent the hall from 5-11pm?
a. C=120h+4p
b. 120 people
Solve then graph your solutions on a number line.
8-2x le14
x ge -7