In line one she forgot to multiply 4 on the left side by -1
320=30+15s
290=15s
S=19.33
S=19
19 student tickets.
<h2><u>Answer:</u></h2>
The special relationship that exists between the squares of the lengths of the sides of a right triangle is known as the Pythagorean Theorem. The Pythagorean Theorem states that the sum of the squares of the lengths of the legs of a right triangle equals the square of the length of the hypotenuse.
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<em><u>This is all I know.</u></em></h2><h2>
<em><u>Hope it helps~</u></em></h2><h2>
<em><u>Good luck with your work!!~ </u></em><u>\^o^/</u></h2>
Answer:
16
Step-by-step explanation:
.8 x 20 =16
1. simplify 42/60 to 7/10 (42/60 divided by 2 is 21/30, 21/30 divided by 3 is 7/10)
2. if 10 x 10 = 100 than 7 x 10 = 70 so that would make it 70/100 which is 70%
so 70% is the answer
Hope this helps ;)
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