Answer:
• let's first get the percentage decrease:
[tex] = { \rm{100\% - 25 \% }} \\ { \rm{ = 75\%}}[/tex]
• then multiply the percentage decrease with the mass given:
[tex] = { \tt{75\% \times 140}} \\ \\ = { \tt{ \frac{75}{100} \times 140}} \\ \\ = { \underline{ \tt{ \: \: 105 \: g \: }}}[/tex]
Answer:
let's first get the percentage decrease:
=100%−25%
=75%
• then multiply the percentage decrease with the mass given:
=75%×140
= 75/100 ×140
= 105g
