To find LCM
factor and eliminate ones already represented
1=1
2=2
3=3
4=2*2
5=5
1*2*2*3*5=60
1850 x 0.22 (decimal form of 22%) = 407. 407 plastic beads are on clearance.
It is (-4,-5)
If you would like I could draw it out for you and attach it :) So then you understand how to get the answer