Problema Solution

a hardware supplier manufactures three kinds of clamps,types a,b,c. production restrictions force it to make 20 more type c clamps than the total of the other types and three times as many b clamps as type a clamps. the shop must produce 340 clamps per day. how many of each type are made per day?

Answer provided by our tutors

atts: 

a+b+c = 340

b = 3a

c = a+b +20

solving we get:

a=40

b=120

c =180