Each Machine of type A has 2 steel parts and 2 chrome parts. Each machine of type B has 6 steel parts and 5 chrome parts. If a certain group of type A and type B machines has a total of 20 steel parts and 22 chrome parts, how many machines are in the group	Choose the correct choice from the following:
A) 2	B) 3	C) 4	D) 6	E) 7
Look at the below representation of the problem:   Steel Chrome total   A 2 2 20 &gt;&gt;no. of type A machines=20/4= 
<gadget id="calculator">20/4</gadget>
<output>5</output>
5   B 6 5 22 &gt;&gt;no. of type B machines=22/11= 
<gadget id="calculator">22/11</gadget>
<output>2</output>
2   So the answer is 7 i.e E.   Hope its clear .
<result>E</result>
Each Machine of type A has 2 steel parts and 2 chrome parts. Each machine of type B has 6 steel parts and 5 chrome parts. If a certain group of type A and type B machines has a total of 20 steel parts and 22 chrome parts, how many machines are in the group