Lesson: the Percent Proportion Trail 7.RP3
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Lesson: The Percent Proportion Trail 7.RP3
Guided Notes - How to Calculate With Percents The Percent Equation Use the proportion to solve percent problems. o a = the part o p = the percent o w= the whole Substitute two values you already know into the proportion. Then use algebra to solve for the unknown value.
Examples Solution What number is 38% of 325?
40 is what percent of 180?
What percent is 28 of 40?
Guided Practice (Try these on your own using) A. What number is 20% of 625? B. 12 is what percent of 30? C. What percent of 50 is 20? Percents Trail - Teacher Key
What percent of
# 1
65 is 13? $4 is what
# 2
percent of $50?
What number is
# 3
35% of 22? 14% of 81 is
# 4
what number?
13 is 26% of
# 5
what number? 55 is 40% of
# 6
what number?
What percent of
# 7
45 is 72? # 8 1% of what
number is 7?
33 is 50% of
# 9
what number? What number is
# 10
3% of 100?
What percent of
# 11
200 is 0.5? What number is
# 12
0.4% of 20?
What number is
# 13
6.1% of 60? What percent of
# 14
34 is 34?
10.4% of what
# 15
number is 13? 30 is 75% of
# 16
what number?