Answer:
Alex timed 7 by 2 instead of 7 times 7 because 7^2 is an exponent.
Answer:
9x - 5 = 1/4(16x+60)
9x - 5 = 4x + 15
5x =20
x=4
Let me know if this helps!
The answer is the last one. It equals to 13.22875655
Answer:
thanks
Step-by-step explanation:
Hi! I will try my best to answer your question, the wording provided is unclear.
If the 10% of the original cost of something is $1.50, then the total cost is $15.00.
Assuming this is the discounted price, which would be 90% of the original cost, the original cost would be $16.67.