The answer is 180 because 6 x 3=18 and 18x10=180
Answer:
1 5/18
Step-by-step explanation:
4/9 = 8/18
5/6 = 15/18
15/18 + 8/18 = 23/18 = 1 and 5/18
Deal with the numbers first
GCF of 16, 40 and 68 is 4
there is no GCF of the variables
so required GCF is 4
Answer:
C
Step-by-step explanation:
This is saying sum 5 and a number and multiply the result by 4
let n be the number then 5 + n is the sum, and
4(5 + n) is 4 times the resultant sum
Answer:
13 and 44
Step-by-step explanation:
let x and y be the 2 numbers with y < x , then
x - y = 31 ( add y to both sides )
x = y + 31 ( subtract 31 from both sides )
x - 31 = y → (1)
4y = x + 8 → (2)
substitute y = x - 31 into (2)
4(x - 31) = x + 8
4x - 124 = x + 8 ( subtract x from both sides )
3x - 124 = 8 ( add 124 to both sides )
3x = 132 ( divide both sides by 3 )
x = 44
substitute x = 44 into (1)
44 - 31 = y , then
y = 13
the 2 numbers are 13 and 44