Ared string of holiday lights blinks every once 3 seconds while a string of blue lights blink once every 4 seconds how many time will bits sets of lights blink in 1 minute

35 times a minute

Step-by-step explanation:

the red string blinks (60/3=)20 times a minute.

The blue light blinks (60/4)=)15 times a minute.

In total, 20+15=35.

$53.50

step-by-step explanation:

you have to subtract the amount of money chuck earned ($72.50) by the cost of the gas for the mower ($11.25) and the new string for the trimmer he bought ($7.75).

72.50-11.25=61.25

and then subtract $61.25 by the second thing he bought (the new string for the trimmer)

61.25-7.75=53.5

so in total it's $53.50 (53 dollars and 50 cents)

25

step-by-step explanation: