Mr. Smith takes his wife, his parents, and his 3 children to a seafood buffet.  The price for the adult buffet is $30.  The price for the children’s buffet is $15.  Senior citizens get a 10% discount.  How much does Mr. Smith spend on the buffet for his entire family?
The buffet cost for Mr. Smith and his wife is $30 x 2 = $
<gadget id="calculator">30*2</gadget>
<output>60</output>
60.
The buffet cost for his children is $15 x 3 = $
<gadget id="calculator">15*3</gadget>
<output>45</output>
45.
The buffet cost for 1 senior citizen is $30 x 90% = $
<gadget id="calculator">30*90*.01</gadget>
<output>27</output>
27.
B
uffet cost for the grandparents is $27 x 2 = $
<gadget id="calculator">27*2</gadget>
<output>54</output>
54.
Buffet cost for the entire family is $60 + $45 + $54 = $
<gadget id="calculator">60+45+54</gadget>
<output>159</output>
159.

<result>159</result>