Question

Nandita completed her work in 3 whole 1 by 4 hours if she was supposed to complete the work in 4 whole 1 by 2 hours how much time did she save.
Please answer me fast please..​

Answer 1

Answer:

• i can report your questions

Step-by-step explanation:

(7+2)(10−3)

[we will open one of the brackets]

7(10−3)+2(10−3)

={(7×10)−(7×3)+{(2×10−2×3)}

={70−21}+{20−6}

=49+14

=63.