Question

ANSWER ALL THE QUESTIONS WITH STEP BY STEP EXPLANATION TO EARN 10 POINTS AND TO BE MARKED AS BRAINLIEST. (THE PERSON WHO ANSWERS THIS FIRST WILL BE MARKED AS BRAINLIEST )


1. FROM A ROPE OF 40M,50CM PIECES OF EQUAL SIZE ARE CUT. IF EACH PIECE IS 2 1/4 M LONG, FIND THE NUMBER OF PIECES CUT OFF.

2. DIVIDE THE DIFFERENCE OF 3/7 AND 2/5 BY THE PRODUCT OF 4/5 AND 25/2.

3. DIVIDE THE SUM OF -1/3 AND 5/6 BY THE SUM OF 1/-4 AND 3/8.

4. SUBTRACT -3/5 FROM ITS RECIPROCAL

5. WHAT IS THE QUOTIENT WHEN A NON ZERO RATIONAL NUMBER IS DIVIDED BY ITS ADDITIVE INVERSE.

PLZ ANSWER FAST WITH EXPLANATION TO BE MARKED AS BRAINLIEST. ​

Answer 1

Step-by-step explanation:

(1) Rope length=40.5m

Each piece length=2.25m

so, number of pieces=40.5/2.25

=18.

answer 2 is in the image