Answer:
should be (4a-5)x(4a+5)
Step-by-step explanation:
Answer: 17.6 facetime
Step-by-step explanation: just did the assignment and it was right
7 % of cost price is 2.80 , What about 1%?
7 = 2.80
1 = x (where x is the price value of 1% in dollars)
We simplify the above equation, so:
7 × x = 2.8 × 1 → 7x = 2.8 → x = 2.8 / 7 → x = 0.4 dollars
We know that 100% represents the whole price,
so if 1% is 0.4 dollars, then 100% will be 0.4 × 100 = 40 dollars
Therefore the store charged $40 dollars for the helmet before tax
Answer:
Step-by-step explanation:
I think ur is D but I'm not sure
24:15 would be the simplified version, if that's what you meant.
