75+d=110 subtract 75 from both sides
d=$35
So she needs to deposit at least $35 to be able to pay the electric bill.
We see on the picture that :
When we go down one row, we add one horizontal and two diagonal cards.
In the first row we have 2 cards
In the second 2+3=5 cards
In the third 5+3=8 cards
etc.
General formula : in the n-th row from the top, we have
1. 7 17/42
2. 42 5/6
3. 7 3/4
4. 12 2/3
5. 2 8/35
Answer: Q=240/11
Step-by-step explanation: