Question

Lola needs to sign 96 invitations. Using a stopwatch that measures time to tenths of a second, it takes Lola 5. 3 seconds to sign her full name. Going by the accuracy of the stopwatch, which is the most accurate determination for the number of minutes Lola needs to sign all 96 invitations? 3. 3 minutes 3. 3125 minutes 8. 48 minutes 8. 5 minutes.

Answer 1

It will take 8.48 minutes by Lola to sign 96 invitations.

Total number of Invitations = 96,

stopwatch measures time to tenths of a second =  $\frac{1}{10}$ second

Time taken by Lola to sign her name = 5.3 seconds

Now,

Time taken by Lola to sign 96 invitations

                                  = Time taken to sign 1 invitation x number of invitations

                                  = 5.3 second x 96 invitations

                                  = 508.8 seconds

Thus, it will take 508.8 seconds to sign 96 invitation.

Also, we know that 1 min has 60 seconds, So,

Time taken by Lola to sign 96 invitations in minutes

                                     $\begin{aligned}&=\dfrac{Time\ taken\ by\ Lola\ to\ sign\ 96\ invitations}{60 seconds}\\&=\dfrac{508.8}{60}\\&= 8.48\ minutes \end{aligned}$

Hence, It will take 8.48 minutes by Lola to sign 96 invitations.

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