Answer:

Step-by-step explanation:
The sum you are trying to understand is this.

Remember that in general when you have a geometric series
you have that
and that equality is true as long as
.
Therefore here we have
and 
Therefore we can use the formula and

The equation used would be:
4m + 2 = 30
where the answer would be 7.
Answer:
37< 10x-7
Step-by-step explanation:
The baker definitely is in hit
3 7/12 - 1 2/3 = <span>1.916666... hours
So dinner was 2 hours rounded up.</span>