idonthaveaname18 idonthaveaname18
  • 24-08-2019
  • Mathematics
contestada

Mr Yang’s son has a total of twenty-one $1 and $2 coins in his money box. When he counts his money, he finds that its total value is $30. How many coins of each type does he have?

Relax

Respuesta :

FREG0707
FREG0707 FREG0707
  • 24-08-2019
$2-9
$1-12
It is answer
Answer Link

Otras preguntas

What's does (6x19)+(6x8)
20 subtracted from 6 times a certain number, the result is 94. what is the number?
what is 45+98 I need some help
solve the proportion. 10/a = 15/30 a. 2 b. 20 c. 5 d. 10
Organize the lengths below from shortest to longest. 28 dm 629,000 mm 1.2 km 30,277 cm
How do you convert a percentage into a fraction?
Give a example of two fractions with the quotient of 5/12
An oscilloscope shows a steady sinusoidal signal of 5 volt peak to peak, which spans 5 cm in vertical direction on the screen. by tweaking the time sweep, the p
In robert frosts poem mending wall what is the narrators neighbor growing
write a program that reads in the length and the width of a rectangular yard . your program should compute the time required ( in minutes ) to cut the grass at