Answer:
a)3/6 and 4/6
b)15/20 and 12/20
c)4/6 and 5/6
d)15/20 and 14/20
Step-by-step explanation:
Change the demonimator to the lowest common demonimator. What ever you do to the bottom number to get to the lowest common denominator, multiply the numerator by the same number.
Answer:
Step-by-step explanation:
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.22a is the algebraic expression. I hope this helps and have a great day!
Answer:
Answer is A probably
Step-by-step explanation:
X2-x=20-2x
On comparison we can figure that out
Still I'm a 8th grader so my answer can be wrong
It is given that
a+b=20 -------------------- (1)
b+c=30 -----------------------(2)
We have to calculate
3 a + 4 b +7 c
Now multiplying equation(1 )by 3,we get
3 a+ 3 b=60 ----------------------------------(3)
and Multiplying equation( 2) by 4,we get
4 b + 4 c=120 -----------------------------------(4)
Adding expression (3) and (4),we get i.e left hand side of 3 to left hand side of 4 and right hand side of 3 to right hand side of 4.
3 a+ 3 b+ 4 b+ 4 c=60+120
Adding like terms, we get
3 a+ 7 b+ 4 c =180, Which is the required solution.
