Answer:
a = 9
b = 2
Step-by-step explanation:
Given : a = 9
a = b + 7
9 = b + 7
b = 9 - 7 = 2
Answer:
Taylor has 14 Nickels and 7 Quarters
Step-by-step explanation:
A nickel is equivalent to 5 cent while a quarter is equivalent to 25 cents.
If the number of nickels Taylor has is 2x then the number of quarters is x
Given that the total value is 245 cents,
5(2x) + 25x = 245
10x + 25x = 245
35x = 245
x = 7, 2x = 2 × 7 = 14
It means Taylor has 14 Nickels and 7 Quarters
Answer:542.5
Step-by-step explanation:
We can solve this problem by first solving for the total
volume of the cube. The formula for volume of cube is given as:
V cube = s^3
Where s is the length of one side which is equivalent to
2 inches. Therefore:
V cube = (2 inches)^3
V cube = 8 cubic inch
Assuming that all the pebble fills the cube without any
spaces, then the total weight of the pebbles in the cube would simply be:
Total weight = 0.5 lb per cubic inch * 8 cubic inch
Total weight = 4 lb
Therefore, the total weight of the pebbles in the cube is <u>4
lbs</u>.
