Question

Answer this please I need some help

Answer 1

Answer:

Question 18

» Money spent in a shop:

${ \tt{ = \frac{3}{8} \times 160}} \\ \\ = { \tt{60 \: euros}}$

» Money spent in another stuff:

${ \tt{ = \frac{30}{100} \times 160 }} \\ \\ = { \tt{48 \: euros}}$

» Therefore, total money spent is;

${ \tt{ = (60 + 48) \: euros}} \\ { \tt{ = { \boxed{108 \: euros}}}}$

Question 19:

${ \tt{ = \frac{5}{100} \times 150 }} \\ \\ = \: { \boxed{ \tt{ \: 7.5 \: ml}}}$

Answer 2

#18

• 3/8(100)=300/8=37%
• Total decrease=37+30=67%

Now

$\\ \rm\hookrightarrow 67\%\:of\:160$

$\\ \rm\hookrightarrow 0.67(160)$

$\\ \rm\hookrightarrow 107.2\£$

#19

Let amount be x

$\\ \rm\hookrightarrow 0.05x=150$

$\\ \rm\hookrightarrow x=150/0.05$

$\\ \rm\hookrightarrow x=3000mL=3\ell$