Answer:
12+x=12+4=16
3x+y=3*4+7=12+7=19
4y-10=4*7-10=28-10=18
1/2xy=1/2*4*7=28/2=14
Step-by-step explanation:
Well the total would be -5
A = B
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Answer:
about 11 years
Step-by-step explanation:
So, what you do is find a Common denominator of 3/5 and 3/4 right? so its 20,
Multiples : 5 , 10 ,15 20,
Multiples : 4 8 12 16 20, okay put on /20 and how much times equals 20? "5!" so put in,
5/20 for 3/4. and do the same thing 3/5 = 4/20.