kaii101 kaii101
  • 21-09-2021
  • Mathematics
contestada

Out of the 400 students in final year in a school, 300 are offering biology and 190 are offering chemistry. How many students are offering both biology and chemistry

Respuesta :

s1m1
s1m1 s1m1
  • 22-09-2021

Answer:

90

Step-by-step explanation:

Ver imagen s1m1
Answer Link

Otras preguntas

What energy transformations are there in a Ferris Wheel?
how much did it cost to manufacture a Mig-21 Fishbed fighter jet.
why does the plasma cell have a well developed endoplasmic reticulum with lots of ribosomes
why does the plasma cell have a well developed endoplasmic reticulum with lots of ribosomes
Double my tens digit to get my one digit. Doble me and i am less then 50
One inch on a map being equal to one mile in real life (or on the surface of the Earth) is an example of what you might find on a map's _________.A.keyB.compass
What is 0.00000008 in scientific notation?
60% of 10 help me ///////////
Double my tens digit to get my one digit. Doble me and i am less then 50
Solve the given polynomial equation. Use the Rational Zero Theorem and Descarte's Rule of Signs as an aid in obtaining the first root.6x^3-7x^2-6x-1=0What is th