Question

Can someone please answer this and show working out? thankyou.

Answer 1

The answer is 15

Step-by-step explanation:

$( - 3 \times ( - 2 - - 5) \times \frac{1}{2} ) \div ( - 3 \times 0.1)$

Using PEDMAS solve the expression

First solve the terms in the bracket first

When two negative signs meet it becomes positive.

We have

$( - 3 \times ( - 2 + 5) \times \frac{1}{2} ) \div - 0.3$

$= ( - 3 \times 3 \times \frac{1}{2} ) \div - 0.3$

$= ( - 9 \times \frac{1}{2} ) \div - 0.3$

$= - \frac{ 9}{2} \div - 0.3$

First convert the decimal to an improper fraction

That's

$- 0.3 = - \frac{3}{10}$

So we have

$- \frac{9}{2} \div - \frac{3}{10}$

To solve change the division sign to multiplication sign and reverse the second fraction

That's

$- \frac{9}{2} \times - \frac{10}{3}$

Multiply the fractions

$\frac{90}{6}$

Reduce the fraction by 6

We have the final answer as

15

Hope this helps you