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

How does regular exercise help make us more alert and energetic? a. It gets our hearts beating faster and gives us a rush of energy. b. Exercise increases our
What best describes the Numbers 5 Both prime, and composite
Does -|-4|=|-(-4)|? Justify your answer.
Which best explains why the Ku Klux Klan was formed?
How many times greater is the value of the 6 in 560,984 than the value of the 6 in 85,560?
Hard water contains calcium and magnesium, which undergo oxidation and clog water pipes. Which statement best describes this change as a chemical change? A.Calc
Is - 6.06 rational?
What is the gcf of 48y and 36xy
Estimate 2.436 divided by 12
the cost of a taxi ride is 5 dollars plus 50 cents per mile. write an algebraic expression that models the cost of a taxi ride of m miles. A. m(5+0.5) B.5+ 0.