Answer:
17.2
Step-by-step explanation:
8.7x-1.9x=116.96
6.8x=116.96
x=116.96/6.8
x= 17.2
Answer:
21 years
Step-by-step explanation:
Lawrence did research on many different swimmers. He graphed each swimmer with a tick on the graph. The more ticks, the higher amount of people. <em>Because most of the ticks are on 21, If I did this right, It should be 21.</em>
The evaluation of 84 2/3% to a fraction in its lowest term is 
<h3>What is a fraction?</h3>
Fractions are sections or parts of a whole. They are divided into two parts, the numerator, and the denominator.
From the given information, we are to convert a mixed fraction into its lowest terms. By doing that, we are to convert it to an improper fraction.





Divide both the numerator and denominator by (2)

Learn more about fractions here:
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J Multiply the first equation by 3
F Add the two equations and solve for x
G x = -3
B Substitute the value of x in the first equation, y = 1
C the solution is (-3, 1)
Answer:
---- (a)
-- (b)
Step-by-step explanation:
Given


Solving (a): Sales of $2175 in a week.
His total earnings is calculated as thus:




Solving (b): Sales of $x in a week.
His total earnings is calculated as thus:


Convert percent to decimal

