01-11-2016
Mathematics

contestada

50 (20-x) + 40x ≤ 300.
When x ≥ b.
Find b.
Thank you for your help!

Respuesta :

kaoook12 kaoook12

01-11-2016

50(20-x) + 40x < 300
1000-50x+40x<300
1000-10x<300
-10x<300-1000
-10x<-700
multiply by -1
10x>700
x>70
b=0-70

Answer Link

Otras preguntas

What’s the area of a shape that’s 6cm 5cm and 13cm

A man used a force of 250 Newtons for 90 seconds to pull on a rock that remained stationary. How much work was done?

Find the slope using the slope formula: (−5,9) (−3,−1)

What did Rudy have to do to get free tutoring?

Devaughn's age is two times Sydney's age. The sum of their ages is 27 . What is Sydney's age?

Reference values aimed at providing recommendations to reduce the risk of chronic disease is called ____________________.

Ragini wants to lay tiles of size 20 cm x 20 cm on the floor of her kitchen which is 8 m in length and 4 m in breadth. How many tiles are required to complete

What year were the pyramids built

Which instrument is NOT a member of the brass family?

plant produce sugar and release oxygen during the process of photosynthesis. Why do plants make the sugar?