Question

A student has two types of markers: Marker A priced at

Q: Answer-A student has two types of markers: Marker A priced at $3 each and Marker B priced at $5 each. If th...

Let x be the number of Marker A and 12x be the number of Marker B. By alligation method- Ratio of marker A to marker B 5-4 4-3 1 1 Which means the student buys 6 markers of A, and 6 markers of B.

$3 each and Marker B priced at $5 each. If the student purchases a total of 12 markers, with an average cost of $4 per marker, how many of each type did the student buy?

A 4 of A and 8 of B

B 6 of A and 6 of B

C 3 of A and 9 of B

D 7 of A and 5 of B

E 8 of A and 4 of B

Practice Next

More Average Questions