Answer:
The number of coins each she have are 10 dimes coin and 14 nickel coins.
Step-by-step explanation:
Given:
Minh has a coin collection of dimes and nickels worth $1.70.
The number of nickels is four more than the number of dimes.
Now, to find each coins she have.
Let the number of dimes be .
And the number of nickels be .
As the value of dimes = $0.10, and the value of nickel = $0.05.
Now, according to question:
⇒
⇒
Subtracting both sides by 0.20 we get:
⇒
Dividing both sides by 0.15 we get:
⇒.
Number of dimes = 10.
Number of nickel =
Therefore, the number of coins each she have are 10 dimes coin and 14 nickel coins.
Answer:2 and 5
Step-by-step explanation:
Answer:
Total area of the figure=
Step-by-step explanation:
The given figure has a rectangle and a triangle:
The area of the figure= Area of rectangle+Area of triangle
Length of the rectangle= 13 cm
Width=9 cm
Area of the triangle= 1/2 * base * Height
Height= 11 cm
Base= 13-8=5 cm
Area of the rectangle:
Total area of the figure:
Answer: 144.5
Step-by-step explanation:
area of the triangle is 27.5
area of the rectangle is 117
117+27.5=144.5