1. Can someone explain these problems to me. Any suggestions on how to study these problems.Thanks in advance.

If a>b>c>d>o, then

(a) ad>bc

(b) ac>b^

(c)abd>abc

(d) a-c>b-d

(e)None of these

2.

x=60(1/45X140);which of the following is equivalent to x?

A. 60(1/90x70

B. 30(1/90X70)

C. 20(1/15X140)

D.20(1/15X140)

3.

If p=3/2,2q=3/p and 5r=2,evaluate pq/(r+p)

4. M+X=1/2(M-x);x/M=?

Rhonda

If a>b>c>d>o, then

(a) ad>bc

(b) ac>b^

(c)abd>abc

(d) a-c>b-d

(e)None of these

2.

x=60(1/45X140);which of the following is equivalent to x?

A. 60(1/90x70

B. 30(1/90X70)

C. 20(1/15X140)

D.20(1/15X140)

3.

If p=3/2,2q=3/p and 5r=2,evaluate pq/(r+p)

4. M+X=1/2(M-x);x/M=?

Rhonda

Dentalcandidate