Answer: 40
Step-by-step explanation:
Given
Jar contains 200 old dimes
Chances to pick the 1960s is 20% i.e. 1960s is 20% of 200 old dimes
So, we can write

Find numbers that multiply to 28 and add them to see if they add to 8
28=
1 and 28=29 not 8
2 and 14=16 not 8
4 and 7=11 not 8
that's it'
no 2 numbers
we must use quadratic formula
x+y=8
xy=28
x+y=8
subtract x fromb oths ides
y=8-x
subsitute
x(8-x)=28
distribute
8x-x^2=28
add x^2 to both sides
8x=28+x^2
subtract 8x
x^2-8x+28=0
if you have
ax^2+bx+c=0 then x=

so if we have
1x^2-8+28=0 then
a=1
b=-8
c=28
x=

x=

x=

x=

x=

there are no real numbers that satisfy this
The computation shows that the price of the used computer is $75.
<h3>How to compute the price?</h3>
From the information given, it should be noted that there are 5 members before the new members joined and $15 was given to each member.
Therefore, the price of the used computer will be:
= $15 × 5
= $75
The price of the used computer is $75.
Learn more about computations on:
brainly.com/question/4658834
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For number 4, the midpoint is M, so the lengths of the 2 segments are half of the whole. PM and MQ are 11.
For number 5, TM and MS are 7.5.
Have an amazing day :)