(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!)
The answer is: 64
Hope it helps! And have a great day✌
Answer:
22.62
Step-by-step explanation:
Cos=12/13
12/13= 0.9231
Cos^-1(0.9231)=22.62
Answer:
Step-by-step explanation:
2/3a + 2/5a - 3/4b - 7/4b + 12- 5
4/8a - 10/8b + 7
