maths is difficult please help me.
Answers
Answer:
1 : 1,500Rs
2 : 2.6 hr
180km
20km/hr
3 : 2.25kg
750rs
4 : 5 10/12
Step-by-step explanation:
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some things to remember :
loan : loan is the money that you borrowed from the owner
ex : i asked my friend to give me 5000Rs .
interest : extra money that you will return to the owner in terms of thanks
ex : if my friend gave me 5000Rs so i will give him 500Rs extra
1)
first find the total loan : 30,000
second find the no. of money he will return each month : 4,500
total no of months : 7
total money returned : 4,500 * 7 = 31500
total interest : loan - total returned = interest
total interest = 31,500 - 30,000 = 1,500
2)
SPEED = DISTANCE / TIME
DISTANCE = SPEED * TIME
TIME = DISTANCE / SPEED
2)A)
SPEED OF AEROPLANE = 150
TOTAL DISTANCE = 400
TOTAL TIME THE AEROPLANE WILL TAKE : 400 / 150 = 2.6 HRs
2)B)
SPEED OF CAR = 60
TOTAL TIME : 3
TOTAL DISTANCE CAR WILL TRAVEL : 60 * 3 = 180KM
2)C)
TOTAL DISTANCE COVERED BY THE CYCLE : 100KM
TOTAL TIME TAKEN : 5
SPEED OF THE CYCLE : 100/5 = 20Km/Hr
3)A)
COST OF 1KG = 200
KG WILL GET IN 450Rs : 450/200 = 2.25
3)B)
COST OF 1 KG : 150Rs
COST OF 5 KG : 150 * 5 = 750Rs
4)
DIVIDE : 70/12 = 5 10/12