Josh spends a total of $7.50 buying N items in the convenience store. If each of the items is either a 5 cents single bubblegum, or a 50 cents bubblegum pack, then N may be which of the following?	Choices:
A) 99	B) 100	C) 101	D) 109	E) 141
Let x be 0.05$ single bubblegum and y be the total 0.5$ packs ---&gt; 0.05x+0.5y=7.5 ---&gt; x+10y=150 ...(1)   Also, x+y=N ...(2)   Solving 1 and 2 , we get, N = 150-9y ---&gt; only value satisfied is when y = 1---&gt; N = 150-9= 
<gadget id="calculator">150-9</gadget>
<output>141</output>
141. E is the correct answer. Other options are not equal to multiples of 9 removed from 150.
<result>E</result>
Josh spends a total of $7.50 buying N items in the convenience store. If each of the items is either a 5 cents single bubblegum, or a 50 cents bubblegum pack, then N may be which of the following?