Lincoln is working two summer jobs making 13$ per hour lifeguarding and 23 per hour tutoring. Last week Lincoln earned a total of $210 and worked 4 times as many hours tutoring as he worked hours lifeguarding. Determine of number of hours Lincoln worked lifeguarding last week and the number of hours he worked tutoring last week.

3x3 = 9 and 2x2 = 4

step-by-step explanation:

from the figure we get,

the x axis shows   the months and,

the y-axis shows the number of satisfied customer.

each line or each cell in upward direction (y-axis) shows 500.

the appropriate scale for the y - axis is: -

a = 2000 customers

b = 4000 customers

c = 6000 customers

d = 8000 customers

e = 10000 customers

f = 12000 customers

g = 14000 customers

9987

step-by-step explanation: