leandro272047 leandro272047

04-02-2018
Mathematics

contestada

bill has two dollars in quarters and dimes. the number of quarters is four less than twice the number of dimes find the number of coins each type

Respuesta :

JasonLai JasonLai

04-02-2018

Okay, let's make x the number of dimes. The equation should look like this:
10x + 25(2x-4) = 200
10x + 50x -100 = 200
60x = 300
x = 5
so, 5 dimes and 6 quarters

Answer Link

Otras preguntas

Which term describes the example below? A child with a widow’s peak has a mother who is homozygous dominant for a widow’s peak and a father who is homozygous do

Which decimal is equal to 7/10?A. 0.71B. 0.7C. 0.07D. 0.071

If a pizza costs 2.85 to make and customer pays 8.95 how much profit have I made as a percentage

what two large alliances took shape before the beginning of world war 1

1. What is the empirical formula for a compound containing 63.8% N and 36.2% O? a. N₂O₅ b. N₂O₃ c. NO₂ d. NO e. N2₂O

There were 75 rocks is Boxes A,B, and C. After moving 28 rocks fro Box A to B, 24 rocks from B to C, and 19 rocks from C to A,there was an equal number of rocks

Simplify 2(5x-3)-(2x+4), 24x-12y+40÷4, (2x)(3y)+2(-xy)

1. What is the empirical formula for a compound containing 63.8% N and 36.2% O? a. N₂O₅ b. N₂O₃ c. NO₂ d. NO e. N2₂O

Why is the enlightenment considered the turning point in world history

I need help on my English homework I have no