The cost of 10 kg of mangos is equal to the cost of 24 kg of rice. The cost of 6 kg of flour equals the cost of 2 kg of rice. The cost of each kg of flour is $22. Find the total cost of 4 kg of mangos, 3 kg of rice and 5 kg of flour?
Answers:  A) 347.6  B) 987.6  C) 941.6  D) 637.6  E) 667.6
Let the costs of each kg of mangos and each kg of rice be $a and $r respectively.   10a = 24r and 6 * 22 = 2r   a = 12/5 r and r = 66   a = 158.4   Required total cost = 4 * 158.4 + 3 * 66 + 5 * 22   = 633.6 + 198 + 110= 
<gadget id="calculator">633.6 + 198 + 110</gadget>
<output>941.6</output>
$941.60   941.6
<result>C</result>
The cost of 10 kg of mangos is equal to the cost of 24 kg of rice. The cost of 6 kg of flour equals the cost of 2 kg of rice. The cost of each kg of flour is $22. Find the total cost of 4 kg of mangos, 3 kg of rice and 5 kg of flour?