rosegold3806 rosegold3806
  • 02-11-2017
  • Mathematics
contestada

A teacher has 100 pencils in a cup. 16 are more sharp than dull. How many are dull and how many are sharp?

Respuesta :

jmja59oyri47 jmja59oyri47
  • 02-11-2017
x = dull pencils 
y = sharp pencils
x + y = 100
y = x + 16 ~~Plug this back into your original x+y equation.
x+x+16=100 ==> 2x = 84 ==> x = 42. Plug this back into the y = equation
 y = 42 + 16 ==> y = 58.

42 Dull, 58 sharp.
Answer Link

Otras preguntas

Help me answer b. c. I need help:(
An object launched straight puwar from the ground level wiht an initional velocity of 32 feet per second.The formula H=32T-16T^2 gives it heigtht,h,in feet afte
In a certain Algebra 2 class of 24 students, 9 of them play basketball and 13 of them play baseball. There are 2 students who play both sports. What is the prob
When Everett found he was the highest bidder for a prized 19th Century novel, he smiled ruefully and said, "This is a bitter joy" Based on the context of this s
1+1-1/1+11-1/11= First to answer gets Brainliest!!
Can you answer 66 and 67 and 67 please I’ll venmo 2 cause I’m broke just drop your venmo
What is a solution of the equation x + y = 7? A)3,3 B)1,6 C)5,-2 D)2,4
Movement of individuals into or out of the population, called gene flow, impacts evolution of populations because:_________. a. it can lead to extinction of on
I really want to not fail my Spanish class do you guys have any ideas?
write and explain any five relation between market and entrepreneurship skills​