Answer: 420
Step-by-step explanation:
30% of 1400
(0.99x) + 18 = 1.19x
18 = 1.19x
- 0.99x
18 = 0.2x
18/0.2 = x
90 = x
(She must by 90 tiles for the cost at both stores to be the same, Cheers!)
Answer:
c. y= 0.5(2)^x
Step-by-step explanation:
i hope this helps :)