Every Sunday, Giri jogs 3 miles. For the rest of the week, each day he jogs 1 mile more than the previous day. How many miles does giri jog in 2 weeks ?
Pick one.
A) 42 B) 63 C) 84 D) 98 E) 108
In one week, Giri jogs   3 + 4 + 5 + 6 + 7 + 8 + 9= 
<gadget id="calculator">  3 + 4 + 5 + 6 + 7 + 8 + 9</gadget>
<output>42</output>
42 miles   In two weeks, Giri jogs 84 miles.   ANSWER:84
<result>C</result>
Every Sunday, Giri jogs 3 miles. For the rest of the week, each day he jogs 1 mile more than the previous day. How many miles does giri jog in 2 weeks ?