Answer:
srry
Step-by-step explanation:
The answer is D because you can multiply the second equation by -4
Answer:
See attachment below
Step-by-step explanation:
Answer:
1:3
Step-by-step explanation:
There are 3 adults per 1 child at the book fair. I think this is right but im not 100% sure :)
The sale price would be $7.70. the sale is 30%off, so the discount would be o.3 x 11. The sale price itself would be 0.7 x 11. Therefore, 0.7x11 is $7.70 and that is the sale price