supercute3365 supercute3365

23-03-2018
Mathematics

contestada

Derek has some Nickels and dimes worth $3.60 the number of dimes is one more than twice the number of nickels how many nickels and dimes does he

Respuesta :

vojtadanhel vojtadanhel

27-03-2018

5x + 10y = 360
y = 2x + 1

5x + 10*(2x + 1) = 360
5x + 20x + 10 = 360
25x = 350
x = 14

y = 2x + 1
y = 2*14 + 1
y = 29

Derek has 14 nickels and 29 dimes

Answer Link

Otras preguntas

A 430 g football is lying on the ground, then is kicked and is moving at 25 m/s. If the duration of the impact was 0.0010 s, what was the average force on the b

jem boy wants to make his 8-meter square pool into a rectangular one by increasing its length by 2m and decreasing its width by 2m .jem boy asked your expertise

what are the kinds of formulas to remember in 8th grade?

How do you multiply 5/12 times 2/9?

What is the correct answer for 20 + 20 × 0 + 1 = ?

do two-headed snakes really exist?

what is a group of snakes called?

what is smog? could you help me... pls

what is 3xY=4w solve for y in formula transformation

how does hail form? need help pls