Jerry started doing sit-ups every day. The first day he did 12 sit-ups. Every day after that he did 3 more sit-ups than he had done the previous day. Today Jerry did 32 sit-ups. Enter an equation that could be solved to find the number of days Jerry has been doing sit-ups since the first day.

175

step-by-step explanation:

2 inches x 10 miles = 200 miles - 3 inches = 175

the homeowners insurance cost for a 115,000 wood frame house is 80,500.

step-by-step explanation:

it is given that the coverage rate for wood frame house is 0.7.

the value of wood frame house is 115,000.

.

homeowners insurance cost for a 115,000 wood frame house is

therefore the homeowners insurance cost for a 115,000 wood frame house is 80,500.

let x and 400 - x be the two numbers.  

==> 0.80x + 0.85(400 - x) = 400 - 68 from the statement of the problem.  

< ==> 0.80x + 0.85(400 - x) = 400 - 68  

==> 340 - 0.05x = 332  

< ==> -0.05x = -8 ==> x = 160, the first number ==> 400 - x = 240, the second number.