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

Which of the following sentences show parallelism? You may select more than one answer. a. Kim wants to be a police officer, a teacher, or an astronaut.

Which health factor is outside your individual control? A. using proper safety equipment such as helmets B. having a safe or clean living environment C. havi

A 800kg car pushes a 1900kg truck that has a dead battery. When the driver steps on the accelerator, the drive wheels of the car push against the ground with a

please tell me if im correct or not

Write (n^2)^3 without exponents

1) A line passes through the two points (-3, 5) and (3,9) Find the: POINT SLOPE FORM And SLOPE-INTERCEPT FORM

A nursing instructor is teaching students about preexisting illnesses and how they can complicate a pregnancy. The instructor recognizes a need for further educ

what is 3 1/3÷ 5 1/2 divided?

teacher is no help at all- please help...….?????

The particle travels along the path defined by the parabola y=0.5x2, where x and y are in ft. If the component of velocity along the x axis is vx=(2t)ft/s, wher