Which ratios form a proportion? Use cross products to test each pair.
A. 15/40, 35/90
B. 18/22, 45/55
C. 15/55, 33/121
D. 17/31, 32/45

Question

Which ratios form a proportion? Use cross products to test each pair.
A. 15/40, 35/90
B.  18/22, 45/55
C. 15/55, 33/121
D. 17/31, 32/45

anonymous · Answer

15/55,33/121

meilendurcer · Answer

Which ratios form a proportion? Use cross products to test each pair. 
A. 9/17, 25/50 
B. 12/35, 24/75
C. 15/55, 33/121
D. 12/35, 20/70

anonymous · Answer

15/55=3/11
33/121=3/11.....hence they are in proportion

meilendurcer · Answer

oh... ok

anonymous · Answer

test for each pair....no othr is satisfying the condition

meilendurcer · Answer

ok

meilendurcer · Answer

Which ratios do not form a proportion?
A. 24/96, 27/108
B. 17/102, 12/70
C. 21/51, 35/85
D. 45/75, 63/105

anonymous · Answer

17/102=1/6
12/70=6/35....hence they dont form proportion