Pandadoge2716 Pandadoge2716

01-10-2018
Mathematics

contestada

Trisha has a bag with 32 dimes and nickels worth $2.80. How many of each coin does she have?

Respuesta :

wolf1728 wolf1728

01-10-2018

A) D + N = 32

B) .1D + .05N = 2.80 multiplying A) by -.1

A) -.1D -.1N = -3.2 then adding this to B)

-.05N = -.4

Nickels = 8 Dimes = 24

*************** DOUBLE-CHECK

.1 * 24 + .05 * 8 = 2.80 ||| 2.40 + 40 = 2.80

Answer Link

Otras preguntas

LATIN/ROMAN HISTORY HELP!!! 1. What bribe did Paris accept from the Goddesses at the wedding of Peleus and Thetis? a. Venus' - the most beautiful woman in

Organic matter is essential in soil for it to be able to produce vegetation. What roles do organic matter play in making soil viable? Select all that apply. 1

elimination/subtraction 3x - 10y=-704x +9y = 63(can you please explain in step by step?)

Explain why a roller coaster’s second hill cannot be taller than the first hill.

Which style of music is played with string bass

Given: circle k(O), m LM = 164° m WK = 68°, m∠MLK = 65° Find: m∠LMW

Simplify the fraction

Please please help me

I can't get it if someone could please help me out that would be ability great

is it better to do an online class over summer for high school ( to prep for high school) or just wait and why do you think this?