Answer:
Clara will reach more people in 40 calls 1 by 1 more person
Explanation:
Clara:
Her rate is 4 people in 10 calls
Using ratios
4 people x people
-------------- = -----------
10 calls 40 calls
Using cross products
4 * 40 = 10x
160 = 10x
Divide by 10
160/10 = 10x/10
16 =x
She will reach 16 people
Toby:
His rate is 3 people in 8 calls
Using ratios
3 people x people
-------------- = -----------
8 calls 40 calls
Using cross products
3 * 40 = 8x
120 = 8x
Divide by 8
120/8 = 8x/80
15 =x
He will reach 15 people
Clara will reach more people in 40 calls 16-15 = 1 by 1 more persons