Step-by-step explanation: Begin by studying the pattern.
Notice that the 1 + 1 is 2, 2 + 3 is 5, 5 + 5 is 10, and 10 + 7 is 17.
So thus far, we're adding 1, 3, 5, and 7. Notice that each of these numbers have a difference of 2 so we would add 9 to get to next number and so on.
Answer:
y=1/9x-7/9
Step-by-step explanation:
x=9y+7
solve for y
9y=x-7
y=1/9x-7/9
Answer:
Step-by-step explanation:
3×8-2×3=18
Answer:
15 weeks
Step-by-step explanation:
For Barbie, keep subtracting 80 from 1,500 until you get to the lowest amount.
And for Ken, keep subtracting 20 from 600.
Once you are done, you will notice that both Barbie and Ken have $300 at 15 weeks. So your answer is 15.