Answer:
see explanation
Step-by-step explanation:
(1)
=
( cross- multiply )
6p = 8 ( divide both sides by 6 )
p = =
(2)
=
( cross- multiply )
7n = 32 ( divide both sides by 7 )
n =
(3)
=
( cross- multiply )
3x = 20 ( divide both sides by 3 )
x =
Answer:
The original number was 54.5.
Step-by-step explanation:
If a number is increased by 2.8%, then it is 102.8% of it's original number.
In mathematics, "of" in virtually all cases means "multiplied by".
Therefore, we do the opposite:
1. Convert to a decimal.
102.8% = 1.028
2. Divide by the decimal.
3. Round it to the nearest tenth.
54.47 rounds to 54.5.
Answer:
a=13m
Step-by-step explanation:
that's it in the picture
