Answer:
<u>x = 3</u>
Step-by-step explanation:
y = 5x
x + y = 12
x + 5x = 12 (substitute 5x in the place of y)
6x = 12
x = 12/6
<u>x = 3</u>
Answer:
13:11
Step-by-step explanation:
325:275
If divided by 5 all through, you get 65:55, then by 5 again you get 13:11
1. To convert the fraction to a decimal, divide the numerator by the denominator
6230/14
2. Calculate it
445
If P = b + a + c, and we are to solve for b, subtract a and subtract c from both sides:
P - a - c = b (answer)