Icantdoschool Icantdoschool
  • 03-03-2017
  • Mathematics
contestada

mariko has 20 nickels and dimes. she has 12 more nickels that dimes. how many dimes does mariko have?

Respuesta :

Аноним Аноним
  • 03-03-2017
Let, the number of dimes = x
Then, number of nickels = x + 12

It is given that, x+ x+12 = 20
2x = 20 - 12
x = 8/2
x = 4

In short, Mariko have 4 dimes

Hope this helps!
Answer Link

Otras preguntas

Which of the following are examples of trisomy? Turner Syndrome, Down's syndrome, or Klinefelter's Syndrome
How do you say little sister, little brother, older sister, and older brother in Korean? I hope someone who actually know Korean can answer this question.
A block of mass 3 kg slides down a frictionless inclined plane of length 6 m and height 4 m. If the block is released from rest at the top of the incline, what
given: quadrilateral ABCD with ∠A= ∠C and BD the bisector ∠ABC prove: DB bisects ∠ADC
Can someone explain lesson 6.3 math boxes in everyday math regarding the missing numbers on the number lines
If y^8= 4 and y^7=3/x, what is the value of y in terms of x?
A test cross with an organism with a homozygous recessive genotype results in 50% of the offspring exhibiting the recessive trait. What is the genotype of the t
A boy can swim 75 feet in 12 seconds. What is his rate to the nearest mile per hour?
How many prime numbers are there between 56 and 100?
When y = x^2, which of the following expressions is equivalent to –y ?