Brianna works at an electronics store as a salesperson. Brianna earns a 4% commission on the total dollar amount of all phone sa
2 answers:
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using the multiplication property of equality to multiply both sides of the equation by 10
Step-by-step explanation:
Given equation is:
One method to solve this equation is cross-multiplication which the student has used.
One of the alternate method can be multiplying both sides by the LCM of numerators of fractions on both sides
So multiplying both sides by 10 (multiplication property of equality)
The alternate method of LCM produces the same answer so the correct answer is:
using the multiplication property of equality to multiply both sides of the equation by 10
Keywords: Linear equations, variables
Learn more about linear equations at:
#LearnwithBrainly
Answer:
$9
Explanation:
First, we need to find 70% of the original price of $30 using the following equation:
It means that Emma pays $21 less than the original price. So, she pays:
$30 - $21 = $9
Therefore, the answer is $9
Answer:
Step-by-step explanation:
Given that Lil's distance in 2/5 hrs is 2 3/4hrs
-Let x be the distance ran in 1 hr.
#We equate and cross multiply to solve for x as follows:
Hence, Lil can run 6 7/8 miles in 1 hr.