3.) Bob spent $780 on books. Math books cost $60 per book and science books cost $70. If he
1 answer:
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Input data
Price model rocket = $24
Tax = $1.92
What is the percent of sales tax?
Procedure
r = percent of sales tax
The answer would be 8%
Answer:
The number of melon was 3 and the number of apples was 45.
Step-by-step explanation:
1. Melons cost $20 per crate and apples cost $8 per create. If the total was 48 crates for $420, you can make the following system of equations, where is the number of melons and
is the number of apples:
2. By applying the Method of substitution, you can solve for in the first equation and substitute it into the second one to find
. Then, you can substitute the value of
into the first equation to find
: