On rainy mornings, Mo drinks exactly N cups of hot chocolate (assume that N is an integer). On mornings that are not rainy, Mo drinks exactly 5 cups of tea. Last week Mo drank a total of 22 cups of tea and hot chocolate together. If during that week Mo drank 8 more tea cups than hot chocolate cups, then how many rainy days were there last week?	Choose one
A) 2  B) 4  C) 3  D) 5  E) 6
T= the number of cups of tea   C= the number of cups of hot chocolate   T+C = 22 T-C=8 -&gt; T= 15. C=7.   Mo drinks 5 cups of tea a day then number of days that are not rainy = 15/5= 
<gadget id="calculator">15/5</gadget>
<output>3</output>
3   So number of rainy days= 7-3= 
<gadget id="calculator">7-3</gadget>
<output>4</output>
4   4 is the answer.
<result>B</result>
On rainy mornings, Mo drinks exactly N cups of hot chocolate (assume that N is an integer). On mornings that are not rainy, Mo drinks exactly 5 cups of tea. Last week Mo drank a total of 22 cups of tea and hot chocolate together. If during that week Mo drank 8 more tea cups than hot chocolate cups, then how many rainy days were there last week?