Answer:
6
Step-by-step explanation:
2 times the difference of a number and 1 = 4 plus that number
In other to express the word problem Mathematically ; let the number = x
2(x - 1) = 4 + x
Expand
2x - 2 = 4 + x
Collect like terms
2x - x = 4 + 2
x = 6
Hence, the number is 6
Answer:

Step-by-step explanation:

Answer:
y = 6/5x + 8
Step-by-step explanation:
m = 6/5
y - y1 = m (x - x1)
y - (-2) = 6/5(x - 5)
y + 2 = 6/5 x - 6
y = 6/5x + 8
Answer:
Sara finds 2.65
Step-by-step explanation:
if a quarter is 25¢ and 4 quarters equal 1.00$ 8 quarters would be <u>2.00</u>
if a dime is 10¢ and she found 4 dimes which is <u>40¢</u>
if a nickel is 5¢ and she found 4 nickels which is <u>20¢</u>
if a penny is 1¢ and she found 5 which is 5¢
now if we add them all up Sara finds 2.65