Ruolinweng Ruolinweng

13-07-2016
Mathematics

contestada

Ian has 10 fewer dimes than quarters. He has 5.30. Find the number of quarters and dimes Ian has.

Respuesta :

texaschic101 texaschic101

13-07-2016

0.10d + 0.25q = 5.30
d = q - 10

0.10(q - 10) + 0.25q = 5.30
0.10q - 1 + 0.25q = 5.30
0.10q + 0.25q = 5.30 + 1
0.35q = 6.30
q = 6.30/0.35
q = 18

d = q - 10
d = 18 - 10
d = 8

Ian has 8 dimes (d) and 18 quarters (q)

Answer Link

madeinmichigan madeinmichigan

13-07-2016

8 quarters 18 dimes

Answer Link

Otras preguntas

During amino acid sequencing, which anticodon pairs with the codon CAU?

Women do the heavy work of packing/unpacking tents and digging ditches in one nomadic culture. in another culture, men spend a great deal of their time adorning

Write [tex](2a)^3[/tex] without exponents.

Select all the correct answers. What are the purposes of a prologue in a play? to provide information about the inner thoughts and feelings of a character to

4. Where on an animal would you look for the popliteal lymph node?

Some local abuses of political power

A permanent surgical opening in the neck through which the patient breathes is called a:

The possibility of the endless cyclical preference is eliminated by the property of:

•In what ways did Jefferson's presidency betray his original vision for the new republic

What is the slope of 10 in 11 roof?