ahmadalaska907 ahmadalaska907

01-08-2020
Mathematics

contestada

winthrop has $4.40 worth of nickles and dimes. If winthrop has 3.5 times as many nickles as he has dimes, how many dimes does he have?

Respuesta :

MathPhys MathPhys

01-08-2020

Answer:

16

Step-by-step explanation:

If n is number of nickles and d is number of dimes:

5n + 10d = 440

n = 3.5d

Substitute:

5(3.5)d + 10d = 440

17.5d + 10d = 440

27.5d = 440

d = 16

Answer Link

Otras preguntas

Which of the following categories includes the most distantly related organisms? (A) family (B) species (C) class (D) genus (E) order

which expression is equivalent to x^4-y^4?

what type of fractions are the following A) 1/3 A) Improper B) mixed C)wholeB) 5 1/6C) 6/5answer A B C with the three multiple choice answers.

I need a Amazon tribe name please! Need for Monday

how do i round 3,176 to the nearest thousand

7x+3y=22 4y=20 I need to know how to write this equation out with the answer

do you know how to say my in Spanish?

Tear is to sorrow as smile is to

I need a Amazon tribe name please! Need for Monday

How can b^2+9b+14 be re-written?1) (b+7) (b-7)2) (b-7) (b-2)3) (b+7) (b-2)4) (b+7) (b+2)