Answer:
40. 3+2x4-1=10
39. 3+2x4+1=12
38. (3+2)x4+1=21
37. 2+3x4-1=13
Step-by-step explanation:
Let c and d be the number of cds and dvds respectively.
c+d=12
c=12-d
The we are told that:
2c+3d=31, using c found above in this equation gives you:
2(12-d)+3d=31
24-2d+3d=31
24+d=31
d=7
So Phillip bought 7 dvds.
check...
3*7+2(12-7)=31
21+2(5)=31
21+10=31
31=31
Any number times 0 equals 0
The answer for 80,000 * 200 is 16,000,000
Answer:
Your right?
Step-by-step explanation:
its the only answer that actually qualifies. Although any number above 20 would work I guess. there are no requirements.