61. Mowing and shoveling. When Mr. Wilson came back from his vacation, he paid Frank $50 for mowing his lawn
three times and shoveling his sidewalk two times. During
Mr. Wilson's vacation last year, Frank earned $45 for
mowing the lawn two times and shoveling the sidewalk
three times. How much does Frank make for mowing the
lawn once? How much does Frank make for shoveling the
sidewalk once?
solve by substitution

9

Step-by-step explanation:

3n(n representa number of time)+2n =50

50÷2=25( shoveling side walk)

25÷3= 8.3333333333(mowling)

25+8.3333333333=33.3333333333

last year:

2n+ 3n=45

45÷5=9 ( divide 5 because you add 2+3)

shoveling once=9

$15 each

step-by-step explanation:

$45/3 children= $15 each

no association

step-by-step explanation:

if you have eyes and you can use them efficiently you can see that it just looks like random dots like do a line of best fit and like they're so spread out it's such a weak association you might as well consider it nonexistent