Answer:
21, 9
Step-by-step explanation:
If girls are x, then boys are x + 12
x + x + 12 = 30
2x + 12 = 30
2x = 18
x = 9
There are 9 girls and 21 boys
Answer:
the answer is 8,000
Step-by-step explanation:
<span>Math Term Definition. Algebraic Expression. An algebraic expression
is a mathematical phrase that can contain ordinary numbers, variables
(like x or y) and operators (like add,subtract,multiply, and divide).
Here are some algebraic expressions: a + 1.</span>
2,247
Step-by-step explanation:
take 3000 and minus that by 30 percent, then after that, add 7 percent to get your total.
Answer:
Answer is z= 43/36
Step-by-step explanation:
We have given,
2 13/18 - z = 1 19/36
Since 2 13/18 = 49/18 and 1 19/36 = 55/36
So we can write,
2 13/18 - z = 1 19/36
or 49/18 - z = 55/36
or 49/18 - 55/36 = z
or (98 -55)/36 = z
or 43/36 = z
Hence we got z = 43/36
