For a store contest, 4 out of every 65 people who visit the store will receive a free dvd if 455 people visit how many dvds were given away

28 DVDs will be distributed.

Step-by-step explanation:

For a store contest out of 65 people 4 people receive a free DVD.

We have to calculate the number of DVDs distributed when 455 people visit the store.

We will apply the unitary method to find the number of DVDs distributed.

∵ When 65 people visit the store number of DVDs = 4

∴ when 1 person visit the store then number of DVDs distributed =

∴ When 455 people visit the store then DVDs distributed =

= 28

Therefore, 28 DVDs will be distributed.

answer

d. 10

explanation

the distance from point y to wx is the height of the triangle.

using pythagoras theorem,

group similar terms to get,

this implies that,

take positive square root of both sides to get,

this implies that,