23. 15 books to 21 books Increan
24.
60 cars to 24 cars
decrease
Find the price
25.
The cost of making a blouse is $7. The manufacturer has a markup of 120% when selling to the
retailer. How much does the retailer pay for each blouse?
26.
A laptop has a regular price of $600. Find the total cost if it is on sale for 15% off.
27.
Suppose the subtotal of your restaurant bill is $18. How much tip would you leave if you tip 15%
28.
Josephine receives a commission of $8.0% on a sale of $230. What is her commission rate?
An account earns annual simple interest. Find the interest rate.
29. Interest earned: $3250
Principal: $5000
Interest rate:
Time:10 years
30.
An account earns annual simple interest. Find the balance of the account.
$5000 at 6% for 9 months

Ik it’s a lot but I really need help

it is contrapositive

i could not see the question too well so check yourself again too . this is because i want you to get it correct.

chase is right because he already been to the swings and he know how far it will be to get there

step-by-step explanation:

c: y > - 1/6x + 1

step-by-step explanation:

dashed line - meaning this < or > also not equal

solid line - meaning this < or > also equal

your answer is c because y > means up & it's shaded up, but y < means down

hope this ! : )

we have three similar triangles, because each has a right angle and shares an angle.   let's write the angles in order: opposite to short leg, long leg, hypotenuse.

cab similar to bad similar to cbd

or as ratios,

ca: ab: cb = ba: ad: bd = cb: bd: cd

we also know

ac = ad + cd

(ad+cd): ab: cb = ba: ad: bd = cb: bd: cd

(ad+cd)/cb=cb/cd

we have cb=6, ad=5 and seek x=cd.

we reject the negative root and conclude x=4

answer: 4