that are The walls of a toilet, 2.5 m long, wide and 3 m high, are to be covered with tiles 15 cm by 15 cm. A saving of 108 tiles is made on doors and windows. How many tiles will be needed altogether? (Note that some tiles will have to be cut.) ongular sompound, 8.55 m long by
Percentage
A percentage is a number indicated as a fraction of 100. It is a dimensionless number often expressed using the symbol %.
Algebraic Expressions
In mathematics, an algebraic expression consists of constant(s), variable(s), and mathematical operators. It is made up of terms.
Numbers
Numbers are some measures used for counting. They can be compared one with another to know its position in the number line and determine which one is greater or lesser than the other.
Subtraction
Before we begin to understand the subtraction of algebraic expressions, we need to list out a few things that form the basis of algebra.
Addition
Before we begin to understand the addition of algebraic expressions, we need to list out a few things that form the basis of algebra.
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