Answer:
274 parents
Step-by-step explanation:
38 tables times 12 per table
38*12=456
456-182=274
you have to add 90 +90 3 times then theres your answer :)
Maria does 1/40th of the driveway per minute. Tom does 1/35th. Together, they do:
1/40+1/35=75/1400=3/56
1/3/56=56/3, or 18&2/3 minutes working together
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