Question

1. Determine if the following are in proportion. (a) 15, 45, 40, 120 (b) 33, 121, 9,96 (c) 24, 28, 36, 48 (d) 32, 48, 70, 210 (e) 4, 6, 8, 12 (f) 33, 44, 75, 100

Answer 1

Answer:

A,E,F is in proportion

Step-by-step explanation:

( A) 15:45::40:120

15*120::45*40

1800::1800

It is in proportion

(B) 33:121::9:96

33*96::121*9

3168:: 1089

It is not in proportion

(C) 24:28::36:48

24*48::28*36

1152::1008

It is not in proportion

(D) 32:48::70:210

32*210::48*70

6720::3360

It is not in proportion

(E) 4:6::8:12

4*12::6*8

48::48

It is in proportion

(F) 33:44::75:100

33*100::44*75

3300::3300

It is in proportion