<h2>Given :-</h2>
- Cost of school exercise book was Rs. 10
- Now , she had to pay Rs. 12 for it .
<h2>To Find :-</h2>
- The increase percentage of price of that book .
<h2>Solution :-</h2>


<u>According</u><u> </u><u>to</u><u> </u><u>the question</u><u>, </u>
→ Increase of Price = ( Rs. 12 - Rs. 10 )
⇒ Rs. 2
→ Initial Value = Rs. 10
Let's solve by putting the values in the formula !

⇝2×10%
⇝20%
∴ The percent of increase in price of that school exercise book is 20 %
Answer:
Amount to spend = $18.50
Purchased banana =$1.50
Apple Juice =$1.55
Gasoline $2.35
$1.50 + $1.55 = $3.05
18.50 - 3.05 = 15.45
1 Gallon of Gasoline = 2.35
Therefore,
2.35 x 6 = 14.1
15.35 - 14.1 = 1.25
To avoid exceeding budget, he can only buy
6 gallons of gasoline
Answer:
La UNESCO busca proteger el patrimonio cultural inmaterial y asegurar su conservación y el desarrollo sostenible. De acuerdo a esto, las ventajas que trae la incorporación de nuestro Patrimonio Cultural a la UNESCO son:
-Preservación del patrimonio
-Promoción a nivel internacional
-Aumento del turismo
-Mayor prestigio
-Aumento en los ingresos
-Es posible obtener financiación del Fondo para la Conservación del Patrimonio Mundial para la protección del patrimonio.
Answer:

Explanation:
The volume of a rectangular box is given by;

It was given that, the volume of the box is V=8 cubic inches.
The length of the box is l=2 inches.
Let the width of the box be x inches.
The height of the box is 3 inches more than the width. That is

We now substitute all values into the formula to get:

Therefore the required equation is

Solution:
We are given:
Number of male fishes surveyed by Elena in a river = 350
Number of male fishes with eggs growing inside them = 150
Therefore the number of male fishes without eggs = 350 - 150 = 200
Now the ratio of male fish with egg cells to male fish without egg cells in the river is:

Therefore, the ratio of male fish with egg cells to male fish without egg cells in the river is 