"M" Subscript, "o" "n" "t" "h" "s" , BaselineMonths
"T" Subscript, "o" "t" "a" "l" "I" "n" "t" "e" "r" "e" "s" "t" "E" "a" "r" "n" "e" "d" , BaselineTotalInterestEarned
"B" Subscript, "a" "n" "k" "B" "a" "l" "a" "n" "c" "e" , BaselineBankBalance
00
00
10001000
r1c4:
11
r2c4:
22
r3c4:
33
r4c4:
44
r5c4:
55
r6c4:
66
r7c4:
r8c4:
4
b. Make a graph comparing months and interest on the resource page.
5
c. What patterns do you notice in the table and the graph? How can you see each pattern in the other representations (situation, table, graph)?
6
d. Use the patterns you have found to predict how long it will take before Oscar has $1800 in the bank. Justify your prediction.
7
e. Compare your graph from part (b) to the sketch you made in part (b) of problem 8‑1. Did you predict that the graph would be a straight line? Explain why your prediction was correct, or any changes you would make and why.
