Answer:
Answer 3.59
Step-by-step explanation:
Remark
This is called an extraneous information question. That means you have a piece of information you don't need. You'll get a lot of these in math courses yet to come. The piece of information you don't need is 79.95.
All you need are the other two numbers.
Givens
sale price= 62.79
Pocket money = 59.20
Formula
Amount needed = Sale price - Pocket money
Solution
Amount needed = 62.79 - 59.20
Amount needed = 3.59
Answer:
$64.00
Step-by-step explanation:
64-75%
The name of the period is the thousands period.
Answer:
x = 3
Step-by-step explanation:
Δ BDE and Δ BAC are similar triangles, thus the ratio of corresponding sides are equal, that is
=
, substitute values
=
( cross- multiply )
4(3x + 5) = 7(x + 5) ← distribute parenthesis on both sides )
12x + 20 = 7x + 35 ( subtract 7x from both sides )
5x + 20 = 35 ( subtract 20 from both sides )
5x = 15 ( divide both sides by 5 )
x = 3