Answer:
6 days
Step-by-step explanation:
pay 60 = -60
Let d = the number of days
30d - 60 = sister
20d = me
Equation:
30d - 60 = 20d Move 30 to the other side
-30d -30d
-60 = 20d - 30d Combine liked terms
-60 = -10d
-10 -10 Divide
d = 6
Answer:
sum of terms: 55550
Explanation:

Here the number of terms:
1100 ÷ 11 = 100
Using the Formula:


Answer:
Step-by-step explanation:
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62 because it's 62.465 and The nearest 10th will be 62