100 notes were altogether
<em><u>Solution:</u></em>
Given that ratio of the number of $2 notes to the number of $5 notes was 4 : 1
number of $2 notes : number of $5 notes = 4 : 1
Let 4x be the number of $ 2 notes
Let 1x be the number of $ 5 notes
Given that total value of notes is $ 260
Therefore,
$ 2 (number of $ 2 notes ) + $ 5(number of $ 5 notes ) = $ 260
$ 2(4x) + $ 5(1x) = $ 260
8x + 5x = 260
13x = 260
x = 20
<em><u>Thus number of notes altogether is given as:</u></em>
4x + 1x = 4(20) + 1(20) = 80 + 20 = 100
Thus 100 notes were altogether
9514 1404 393
Answer:
Step-by-step explanation:
Let x represent the amount invested at 14%. Then 5000-x is the amount invested at 9%. The interest earned is ...
(14%)x +(9%)(5000 -x) = 460
0.05x +450 = 460 . . . . . . . . . . simplify
0.05x = 10 . . . . . . . . . . . . . . subtract 450
x = 200 . . . . . . . . . . . . . . divide by 0.05
5000-x = 5000-200 = 4800
$200 was invested at 14%; $4800 was invested at 9%.
Answer:
9
Step-by-step explanation:
We have to solve in order to find out if Sam is correct
Remember PEDMAS:
For Multiplication, division and addition, subtraction, do what appears first left to right
Parenthesis
Exponent
Division
Multiplication
Addition
Subtraction
16 - 18 + (2+1)+2^3
Parenthesis first: 2+1 = 3
16 - 18 + 3 + 2^3
Exponent next: 2^3 = 8
Subtraction (it's on the left) : 16-18 = -2
Addition: -2 + 3 = 1
Addition : 1 + 8 = 9
<em>Sam is not correct, the answer is </em><em>9, </em><em>not 16.</em>
Hope this helps :)
Have a great day!
