Which expression is equivalent to 10/21

10/21 = 20/42  = 30/63 = 40/84

Step-by-step explanation:

10/21

Multiply both numerator and denominator by 2, then 3, 4

10/21 = 10×2/21×2 = 10×3/21×3 = 10×4/ 21×4  

10/21 = 20/42  = 30/63 = 40/84

I hope this was helpful, please rate as brainliest

y = x + 95

y = 42 + 95

y=137 mm hg

may i see the picture? it would a lot, xox