Answer:
Step-by-step explanation:
The solution to a system of linear equations is the ordered pair (or pairs) that satisfies all ... Solve the following system of equations by substitution. ... For example, consider the system of equations below: 3x + 2y = 6 x − y = 8 ... 12x + 18y = 39
Answer:
150.099
Step-by-step explanation:
Answer: $0.27
<u>Step-by-step explanation:</u>
7a + 11b = 1.47
7a = 1.47 - 11b
Make a table. Choose values for b starting at $0.01 and solve for "a".
The value of "a" must terminate at the hundredths place since we are working with money.
You will discover that a = 0.10 and b = 0.07
The cost of 2 apples and 1 banana is:
2a + b
= 2(0.10) + (0.07)
= 0.20 + 0.07
= 0.27