Max sold half his comic books, then bought 9 more. He now has 17. How many did he begin with?
16 comic books
100
Solve and graph:
7+2x<11
x<2
100
Amelia has $75 to spend at the bookstore. She plans to buy a math book for $18 and some novels that cost $12 each. How many possible novels can Amelia buy?
at most 4 novels
100
The perimeter of an equilateral triangle is 54 inches. Find the length of each side.
18 inches
200
-7/4 m = 21
m= -12
200
Find three consecutive odd integers whose sum is 141.
45, 47, 49
200
-7x+5+8x>3
x>-2
200
Frank wants to join a gym. He calls two gyms and is given two different payment plans. Gym A offers a $100 membership fee plus $35 per month. Gym B offers a $75 membership fee plus $40 per month. After how many months will Gym A be less expensive than Gym B?
After 5 months
200
Mary is 6 years older than her sister, Kelly. The sum of their ages is 48. How old is Kelly?
21 years old
300
5.4y+1=5(y-3)
y= -40
300
Four times the sum of a number and 23 is 4 more than twice the number. Find the number.
-44
300
8-4x>12-3x
x<-4
300
The average of 87, 90, 89, and a fourth number is at least 90. Describe the value of the fourth number.
At least 94
300
2/3 - x/6 ≤ -1/2
x ≥ 7
400
3p-8=2(p+8)-3p
p=6
400
Liam and Luke each opened a savings account on the same day, intending to withdraw money for weekly expenses. Liam opened his account with $710 and withdrew $35 per week. Luke opened his account with $570 and withdrew $25 weekly. In how many weeks will their accounts be equal?
14 weeks
400
7-0.3x>4
x<10
400
Molly can either take her lunch or buy it at school. It costs $1.95 to buy lunch. If she wants to spend no more than $30 each month, how many lunches can she buy?
At most 15 lunches
400
4(3-0.1x)≥15-0.6x
x≥ 15
500
1/4(w-4)-3/4w=4-1
w= -8
500
A positive number is 1/3 of another positive number. If their difference is 48, find the two positive numbers.
72 and 24
500
36>4+2(1-3y)
y>-5
500
Sixteen plus five times a number is more than one half of eight subtracted from four times the number. Find the possible numbers.
n> -20/3
500
The sum of the interior angle measures of a triangle is 180°. Angle B is three times the measure of angle A. Angle C is 52°. Find the value of Angle A and Angle B.