Convert decimals, fractions, and percents
.36 to a percent
36%
9c + 1 = 10
c = 1
6x - 4.3 > 37.7
x > 7
Lara and Mae participated in a contest. They scored 23 points in all. If Lara scored 9 points, how many did Mae score?
x + 9 = 23, Mae scored 14
8 = 4(n - 16)
n = 18
45% as a decimal
.45
8 = 3a - 4
a = 4
-6(5x+3) > 252
x<-9
Smith and his friends are gaming online. An hour later, 6 friends go offline. Five of them continue playing. How many of them were gaming online intially?
x - 6 = 5; 11 people
4 (f + 1) = 20
f = 4
7/18 as a decimal
0.38 (8 being repeated)
m/5 + 9 = 11
m = 10
7/3x-13≤-62
x≤-21
A server in a restaurant earns $54.80 in tips in addition to their hourly wage of $8.30 per hour.
Write an equation that can be used to determine the number of hours (h) the server worked to earn $100.45
8.30h + 54.80 = 100.45
3 (g - 12) = 9
g = 15
0.4 repeating as a percent
44.4% with the 4 repeating
n/-2+3.7=-22.5
n = 52.4
-13.1 > -5x + 0.25
x > 2.67
Scruffy pals pet boxes sends pet supplies in the mail each month. Irma prepaid a 4-month subscription for her cats. She used a one-time coupon and received $8 off the total cost. Irma paid $64 total.
What is the regular cost per month?
4m - 8 = 64; $18 per month
-7 ( v- 87) = -84
v = 99
21.5 with the five repeating as a fraction
21 5/9
4 7/8=3 1/5-k
k =
-1 27/40
2/3(18-24x)>48
x < -2.25
Diamond is saving money to take a trip to Key West, Florida with her friends. Every week, she sets aside the same amount of her paycheck after taking out the $403 she needs for her weekly expenses. After 9 weeks, Diamond has saved $612 for her trip.
Write an equation that can be used to represent the amount of money (x) Diamond earns per week. (Hint: its a distribution problem)
9(x-403)=612
-5 (w + 8) = 170
w = -42