Respuesta :
What you will need to do here is take 180 and divide it by 210 which will give you .85714285714
And if you need to round that to the nearest tenth you will get .9
And if you need to round that to the nearest tenth you will get .9
Answer:
180:210 is equivilant to:
Equivalent Ratios of 180 : 210
180 : 210 360 : 420 540 : 630 720 : 840 900 : 1050 1080 : 1260 1260 : 1470 1440 : 1680 1620 : 1890 1800 : 2100 1980 : 2310 2160 : 2520 2340 : 2730 2520 : 2940 2700 : 3150