Question

1 dollar = 7 lorgs
1 dollar = 0.5 dalt
Kevin has 140 lorgs and 16 dalts. If he
exchanges the lorgs and dalts for dollars
according to the rates above, how many
dollars will he receive?

Answer 1

The shsatbook it says the answer is 52 but 7/140 is 20 and 16×.5 is 8 and 20+8 is 28 so he answer is 52