Question

Write and evaluate an expression to find the cost for 5 adults and 8 children.

Short answer

The expression and its value is: $5\times 45+8\times 25=425$.

Step-by-step solution

Step 1. Given information.

Cost of ticket for an adult is 45.

Cost of ticket for a child is 25.

Step 2. Consider the variables.

If cost of one item is Rs x, then cost of n such items are $nx$.

Step 3. Write the expression.

Cost of tickets for$5$ such adults is $5\times 45$.

Cost of tickets for $8$such children is width="43" height="20" role="math">8×25.

So,

Total cost is given by the following expression,

$5\times 45+8\times 25$

Step 4. Simplify the expression.

The expression $5\times 45+8\times 25$can be simplify in below.

role="math" localid="1641903260601" $\begin{array}{c}5\times 45+8\times 25=225+200\\ =425\end{array}$