Answer:
I)2.4
2)19.5
Step-by-step explanation:
1)
=4/5÷3/9
=4/5×9/3
=4×9÷5×3
=2.4
2)
=(7×7+3)÷8/21
=52/7÷8/21
=55/7×21/8
=1092/56
=19.5
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Answers & Comments
Answer:
I)2.4
2)19.5
Step-by-step explanation:
1)
=4/5÷3/9
=4/5×9/3
=4×9÷5×3
=2.4
2)
=(7×7+3)÷8/21
=52/7÷8/21
=55/7×21/8
=1092/56
=19.5