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Pearson Algebra 1 Common Core, 2015

PA

Pearson Algebra 1 Common Core, 2015 View details

Common Core Cumulative Standards Review

Exercise 1 Page 608

Find how long it takes to type one word.

B

Practice makes perfect

We know that Manuela can type about 150 words in 4 minutes. Hence, she can write one word in 4150 minutes. 150words & ⇒ & 4minutes 1word & ⇒ & 4/150minutes We want to find how long she will take to type 2000 words. We can find it by multiplying 2000 by 4150.

2000 * 4/150

▼

Evaluate

MoveLeftFacToNum

a*b/c= a* b/c

2000* 4/150

Multiply

8000/150

Calculate quotient

53.33333 ...

Round to nearest integer

53

Manuela can type 2000 words in about 53 minutes. We see that 50 is the closest number so the answer is B.

Subchapter links

Exercises p.608-610