The average age of a family of 5 was 32 . It fell to 18 when the grandmother died.How old was she ?
Choose the correct choice:	A) 86	B) 87	C) 88	D) 89	E) 90
Avg of 5 = 32   total/5=32   Total age of 5 = 160   After grandma died, total ll be   total/4=18   Total age of 4 = 72   Age of grandma ll be =&gt; 160-72= 
<gadget id="calculator">160-72</gadget>
<output>88</output>
88   ANSWER:88
<result>C</result>
The average age of a family of 5 was 32 . It fell to 18 when the grandmother died.How old was she ?