body{margin:0;} noscript{z-index: 10000; position: fixed; display: block; height: 100%; width: 100%; background: #fff;} noscript .fa{font-size: 40px; display:block; color: #daa520;} noscript div{margin-top: 6%; padding-left: 20px; padding-right: 20px; text-align: center;} ! You must have JavaScript enabled to use this site.

Dashboard

GM

Glencoe Math: Course 2, Volume 1 View details

2. Percent and Estimation

Finish the assignment

Continue to next subchapter

Exercise 2 Page 115

Start by rounding the percent. Then multiply the rounded percent by 120.

About 48

Practice makes perfect

We want to estimate 39 % of 120. Let's start by rounding the percent. rcl 39 % & ≈ & 40 % Now we multiply 40 % by 120 to get an estimation. First, we write the percent as a fraction.

40 %* 120

▼

Write the percent as a fraction

WriteAsFrac

Write as a fraction

40/100 * 120

ReduceFrac

a/b=.a /20./.b /20.

40÷ 20/100÷ 20 * 120

CalcQuot

Calculate quotient

2/5 * 120