30 + 20 = 50
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you minus the two sets of # first then find out what "a" is always the # after the = minus the # before "a" 30 + a = 50 a = 50 - 30 a = 20 30-30=50-30 (50-30=20) 0+a=20 a=20 if a = 20 30+a=50 30+20=50 50=50 therefore a=20
It has a mass of 50 g when empty, but when 30 mL of water is added, it has a mass of 120 g. But I hope this helps you. If not I'm sorry.
-870
To find the percentage of 30 in 50, divide 30 by 50 and multiply by 100. Thus, 30 is 60% of 50.
30% of 50 = 50*30/100 = 15
50% of 30= 50% * 30= 0.5 * 30= 15
50 - 20 = 30
what is the answer of 30 percent of 50
-50
30% of 50 = 15
50/100 x 30/100 = 15%