Answer:
B
Step-by-step explanation:
the money increases hourly so A and C are wrong. and it is constant so the answer is B
Ratio 10:6
so 10+6 = 16
112/16 =7
white balls: 10 * 7 = 70
striped balls: 6 * 7 = 42
Answer: he needs to add 70 white balls and 42 striped balls to keep the same ratio 10:6
Let be the number of days spent at Tahoe and San Francisco, respectively.
We don't know the values of and yet, but we know that the holiday lasted 9 days:
We also know that each day spent in Tahoe costed 350 and each day spent in San Francisco costed 475. So, the total cost of the holiday is the sum of the number of days muliplied by their cost:
If we put the two equations together, we have the system
Which yields
Answer:
8.
Step-by-step explanation:
91-35=56
56/7=8
Step-by-step explanation:
put x = -6 in the equation.
= -6 ( -6). + 7 =. 36 + 7 = 43
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