Anthony1980 Anthony1980

01-09-2016
Mathematics

contestada

The cost C (in dollars) of making n watches is represented by C=15n+85. How many watches are made when the cost is $385

Respuesta :

halicora1738 halicora1738

01-09-2016

20 watches

385=15n+85
so you subtract 85 from 385 which is 300 then divide 300 by 15 and you get
'n'
which is 20

Answer Link

Otras preguntas

Guess the mystery number.The number is greater then 10 and less then 18. The number is the sum of two identical odd numbers. What is the number? Show how you fo

What were the reasons for the failure of the League Nations?

in the xy-plane above, point c has coordinates (6,9). which of the follwoing is an equation of the line that contains points 0 and c?

Describe a pattern in the sequence of numbers. Predict the next number. 1) 1, 2, 6, 24, ___ 2) 0, 3, 8, 15, 24, ___

simplify (1/x) + (1/(x+h)

Add these fractions (Lowest Terms) a) 1/6 + 1/6 b) 1/4 + 3/8 c) 2/3 + 5/6 d) 9/21 + 4/7 e) 1 3/5 + 1/10 f) 1 1/4 + 11/12 g) 1 2/3 + 2/3 h) 1 5/6 + 3 2/5

Rachel and David share 40 biscuits between them in the ratio 2:3, How many biscuits do they each get?

Please answer:If a stadium holds 60000 people.1. If the stadium is 2/3 full, how many people are there?2. If the stadium is 3/4 full, how many people are there?

simplify (1/x) + (1/(x+h)

What is the solution: (9x+2)(4x^2+35x-9)=0