if you had 1 bar a chocolate but then you ate the chocolate how much chocolate did you have left? 3 bars? 6 bars?
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Answer:
Step-by-step explanation:
Idk I need your help
16 - 7 is 9
9 x 2 is 18
His weekly allowance is 18
A is aldult tickets
b is child tickets
b = 2/3 a
7a + 12b = 90
7a + 12 x 2/3 a = 90
7a + 8a = 90
15a = 90
a = 6; b = 4
Diameter of the larger gear х см
1/4х = 16 - 2.5
1/4x = 13.5
x = 13.5 * 4
x = 54 cm - diameter of the larger gear /
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