'of' in mathematics means multiplication
'is' in mathematics means equal
52% * x = 13
52/100 * x = 13
0.52x = 13
x = 13/0.52
x = 25
52% of 25 days is 13 days.
There were 40 tourist class passengers and 12 first class passengers.
Explanation:
Let the number of passengers who booked for tourist class be
=
x
Then, number of passengers who booked for first class
=
52
−
x
According to question,
Total money paid = $25(tourist class)+$30(first class)
$
1360
=
$
25
(
x
)
+
$
30
(
52
−
x
)
1360
=
25
x
+
1560
−
30
x
1360
−
1560
=
25
x
−
30
x
−
200
=
−
5
x
x
=
−
200
−
5
x
=
40
So, there were 40 tourist class passengers.
Now first class passengers
=
52
−
x
=
52
−
40
=
12
∴
There were 40 tourist class passengers and 12 first class passengers.
As a check
Total money paid = $25(tourist class)+$30(first class)
R
H
S
=
$
25
(
40
)
+
$
30
(
12
)
$
1000
+
$
360
=
$
1360
L
H
S
=
$
1360
Hence verified.
Answer:
25%
Step-by-step explanation:
we can use this formula to find percent of change:
(new value minus original value) divided by original value
(15 - 12) / 12 = 3/12 or 1/4, which is 25%
Answer:
27900
Step-by-step explanation:
15000 × (3.1/100) × 12 ×5 = 27900
Answer:
<h2>
A = 189 cm²</h2>
Step-by-step explanation:
The area of a parallelogram is equal to the product of the length of its <u>side and the height</u> of the parallelogram <u>perpendicular to that side</u>.
H = 9 cm
S = 21 cm
A = S•H = 21 cm • 9 cm = 189 cm²
