1 year ago

Will someone help me with this

1 answer:

3 0

hope this helps :)

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• let's first get the percentage decrease:

$= { \rm{100\% - 25 \% }} \\ { \rm{ = 75\%}}$

• then multiply the percentage decrease with the mass given:

$= { \tt{75\% \times 140}} \\ \\ = { \tt{ \frac{75}{100} \times 140}} \\ \\ = { \underline{ \tt{ \: \: 105 \: g \: }}}$

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