Which of the following can you determine when you use deduction and start from a given set of rules and conditions
2 answers:
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Answer:
a.
b.
Step-by-step explanation:
You need to remember that:
1. The word "more" indicates Addition.
2. The "Difference" is the result of a Subtraction.
a. Then, knowing this information, you know that:
- "The difference of and
" must be expressed as:
- Then, "Three more than the difference of and
" is:
- "The difference of and
" can be expressed in this form:
Therefore, "Three more than the difference of and
is equal to the difference of
and
" is:
b. Solve for "s" in order to find its value:
Let's call the store value as s and the wholesale price as w. A store prices tapes by raising the wholesale price 50%(0.5 in decimals) and adding 25 cents, writing this as an equation, we have
If we invert the equation we're going to find the the wholesale price as a function of the store price.
Now, to find the wholesale price if the sales price is $1.99, we just need to evaluate s = 1.99 on the function we created.
The wholesale price is $1.16.
Answer:
Step-by-step explanation:
66 - 43 = 47/2