How many square feet of outdoor carpet will we need for this whole?

Given that anna wants to spend less than $60 for the subscription and only full month subscriptions are offered, what is the maximum number of months that ana can subscribe

Find the sum of the following series. round to the nearest hundredth if necessary.

When i add money am i supposed to make it like this 7+12 or 7.00+12.00 because i got 19 dollars for my answer