Americans get about 13 percent of their calories from added sugar. This is equal to about 270 calories. Based on these numbers,
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Since EF=FG, you can set 6x - 10 = to 3x + 11
Then add like terms
so,
Now you can divide by 3 to get
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then put it back into
so,
Then add like terms
so,
Now you can divide by 3 to get
then put it back into
so,
Group A
Money spent by Person 1 = £500
Money spent by Person 2 = £600
Money spent by Person 3 = £900
Money spent by Person 4 = £450
Sum of money spent by group A = £2,450
Average money spent by group A =
⇒ Average money spent by group A = £612.5
Group B
Money spent by Person 1 = £700
Money spent by Person 2 = £500
Money spent by Person 3 = £680
Money spent by Person 4 = £500
Sum of money spent by group B = £2,380
Average money spent by group B =
⇒ Average money spent by group B = £595
Hence, Group B had lower average spend.