Answer:
$110, $44
Step-by-step explanation:
Let x = the total cost to Stefan
Jim buys for:
bicycle: $138
helmet: $16
total: $138 + $16 = $154
Jim's price of $154 is 140% of Stefan's cost, x.
154 = 140% × x
1.4x = 154
x = 110
Stefan spent $110.
Stefan's profit:
$154 - $110 = $44
Answer: $110, $44
Answer:
When you subtract a negative number from another negative number then the second negative number will become positive and the minus sign will become an addition sign.
In this case:
-13 - (-13) = 0
-13 + 13 = 0
I hope I've helped explain this a little bit better to you.
The answer is actually D. The limit on the left side is computing the derivative at x = a. The right side value of 7 tells us that f ' (a) = 7
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