The system of equations that models the given situation is given as follows:
<h3>What is a system of equations?</h3>
A system of equations is when two or more variables are related, and equations are built to find the values of each variable.
In this problem, the variables are given as follows:
- Variable x: Number of single lawns cut.
- Variable y: Number of front and back lawns cut.
He had 25 customers, hence:
x + y = 25.
He charges $15 for a single lawn and $25 for a front and back lawn, and made a total of $475, hence:
15x + 25y = 475
More can be learned about a system of equations at brainly.com/question/24342899
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The 2 smaller angles are x and 2x - 6 so we have:-
2x - 6 + x = 90
3x = 96
x = 32 and 2x - 6 = 64 - 6 = 58
2 smaller angles are 36 and 58 degrees.
