0.10c + 0.12b = 2.18
c = 4b + 1
0.10(4b + 1) + 0.12b = 2.18
0.40b + 0.10 + 0.12b = 2.18
0.40b + 0.12b = 2.18 - 0.10
0.52b = 2.08
b = 2.08 / 0.52
b = 4 <==== she had 4 bottles
c = 4b + 1
c = 4(4) + 1
c = 16 + 1
c = 17 <=== she had 17 cans
Answer:
81
Step-by-step explanation:
(9x - 4)(9x + 4) = ax² - b
81x² - 36x + 36x - 16
= 81x² - 16
=> a = 81
Answer
x, y
0, -4
1, -1
2, 2
3, 5
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Answer:
39=22
28-6 equal to 22 so 39= 22
9x-6+6x-1=98
15x+7=98
15x=105
x=7
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