Mathematics, 16.02.2021 22:30 fjarbo

A survey of 120 teachers determined the following: 70 had high blood pressure

40 had heart trouble

20 had both high blood pressure and heart trouble

What percent of the teachers surveyed had neither high blood pressure nor heart trouble?
PLZ HELP! I WILL GIVE BRAINLIEST TO FIRST ANSWER!

Answers: 2

Show answers

Other questions on the subject: Mathematics

Mathematics, 21.06.2019 14:00, yah2muchh

Which addition property is being illustrated below? (type commutative or associative) (6 + 7) + 1 = 6 + (7 + 1)

Answers: 1

continue

Mathematics, 21.06.2019 18:00, cgonzalez1371

Janie has $3. she earns $1.20 for each chore she does and can do fractions of chores. she wants to earn enough money to buy a cd for $13.50. write an inequality to determine the number of chores, c, janie could do to have enough money to buy the cd.

Answers: 2

continue

Mathematics, 21.06.2019 19:10, teriateria

If you answer 2+2 you will get over 80 points

Answers: 2

continue

Mathematics, 21.06.2019 19:20, gameranonymous266

Askyscraper is 396 meters tall. at a certain time of day, it casts a shadow that is 332 meters long. at what angle is the sun above the horizon at that time?

Answers: 1

continue

You know the right answer?

A survey of 120 teachers determined the following: 70 had high blood pressure

40 had h...