Copy these incomplete number lines. Label the missing numbers on each of them.
2 answers:
Answer:
(a) 0, 10, 20, 30, 40, 50.
(b) 0, 8.1, 16.2, 24.3, 32.4, 40.5.
(c) 0, 2.2, 4.4, 6.6, 8.8, 11.
(d) 0, 3.33, 6.67, 10, 13.33, 16.67.
Step-by-step explanation:
Part a.
From the given number line it is clear that
2 units = 20
So, length of 1 unit is
Therefore, the numbers on the number line are 0, 10, 20, 30, 40, 50.
Part b.
From the given number line it is clear that
4 units = 32.4
So, length of 1 unit is
Therefore, the numbers on the number line are 0, 8.1, 16.2, 24.3, 32.4, 40.5
.
Part c.
From the given number line it is clear that
4 units = 8.8
So, length of 1 unit is
Therefore, the numbers on the number line are 0, 2.2, 4.4, 6.6, 8.8, 11.
Part d.
From the given number line it is clear that
3 units = 10
So, length of 1 unit is
Therefore, the numbers on the number line are 0, 3.33, 6.67, 10, 13.33, 16.67.
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Answer:
Bag of windflower bulbs costs $8.50
Package of crocus bulbs costs $17.60
Step-by-step explanation:
Let $x be the price of one bag of windflower bulbs and $y be the price of one package of crocus bulbs.
1. Mark sold 2 bags of windflower bulbs for $2x and 5 packages of crocus bulbs for $5y. In total he earned $(2x+5y) that is $105. So,
2x+5y=105
2. Julio sold 9 bags of windflower bulbs for $9x and 5 packages of crocus bulbs for $5y. In total he earned $(9x+5y) that is $164.50. So,
9x+5y=164.50
3. You get the system of two equations:
From the first equation
Substitute it into the second equation:
9x+105-2x=164.50
7x=164.50-105
7x=59.5
x=$8.50
So,
5y=105-2·8.5
5y=105-17
5y=88
y=$17.60