sdolina5
22.03.2020 •
Mathematics
A group of four friends each mowed lawns after
school and on the weekends for a month. The
total number of lawns mowed can be represented
by the equation below.
1x + 1 x + 1/ 8x + 16 = 49
Each friend is represented by a term in the
equation. How many lawns, x, did the first friend
mow?
A. 11
B. 18
C. 27
D. 31/
Solved
Show answers
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Ответ:
Explanation:
The equation is garbled. Thus, I will modify it and show the procedure to find the solution.
Assuming the equation is:
Where each term of the left-hand side represents the number of lawns mowed by each friend.
You need to find x.
1. Determine the least common denominatorl LCD, of the two fractions:
2 = 23 = 3LCD = 2 × 3 = 62. Multiply the whole equation by the LCD:
3. Add like terms and subtract 96 from both sides:
4, Divide both sides by 11:
x = 18 ← answerОтвет:
g/c=x
6900/23=300
Step-by-step explanation:
g/c=x
g= 600+1500+4800=6900
c= 2+5+16=23
6900/23=300