simplify using appropriate properties.(3by5×-2by7) - (1by20) - (2by7×4by7)
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1
Answer:
-9/20
Step-by-step explanation:
-6/35-1/20-8/35
lcm of 35 & 20 is 140
-24-7-32/140
-63/140=-9/20
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Answered by
0
Answer:
(3/5×-2/7) -(1/20) -2/7×4/5)
=(-6/35)-1/20-(8/35)
=-14/35-1/20
=-56-7/140
=-63/140
=-9/20
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