Mathematics, 25.11.2019 06:31 officialgraciela67

Annmarie can plow a field in 240 minutes. gladys can plow a field 80 minutes faster. if they work together, how many minutes does it take them to plow the field?
a)96 min
b)160
c)400
d)480
for the !

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Annmarie can plow a field in 240 minutes. gladys can plow a field 80 minutes faster. if they work to...