Hey all, i need help on all the question here.Would deeply
appreciate if any kind soul can point why the answer is given .Some
i seriously dun have the answers
3.The ratio of the number of pears
to the number of mangoes in Basket A and in Basket B are 2:1 and
2:7 respectively.Basket A has 2/3 times as many fruits as Basket
B.
(a) Find the ratio of the number of
Pears in Basket B to the number of Pears in Basket A.
(b)When 18 mangoes are moved from
Basket B to Basket A,the ratio of the number of Pears to the number
of mangoes in Basket A becomes 8:7.How many mangoes are there in
Basket A now?
Answer
a) 1:2
b) 42 mangoes
4.Michael ,Jeremy and Andrew shared
320 marbles in the ratio 1:2:5.Jeremy lost [1/2] of his marbles to
Michael in the first round of game and Andrew lost [1/2] of his
marbles to Jeremy in the second round of game.
a) Find the ratio of the number of
Michael’s marbles to Jeremy marbles to Andrew’s marbles after two
round of games .
b) How many more marbles will
Jeremy have than Michael if Andrew gave Michael 10 marbles after
the second game?
5.Jack and Kate shared some cards
in the ratio 5:4.In a game, Kate lost half of her cards to
Jack.Jack then had 35 cards.
(a) How many cards did Kate lose to
Jack ?
(b) How many cards did they have
altogether?
Answer a) 1 unit
à 35 /
7 = 5
Kate Lost à
5*2 =10
Kate Lost 10 cards
b) total cards à
9 * 5 = 45
cards
they had 45 cards altogether
.
6.¼ of May’s savings was equal to
2/5 of Alice’s savings.However , when Alice increased her savings
by $35 and May Spent $67,they had equal amount of money in her
savings.How much money did Alice have finally ?
3 units à
$35+$67 =102
1 unit à
102 / 3 = $34
Alice finally had ($34*5)+$35 =$205
Alice have $205 finally
.
7.Iris and Nelly received $856 from
their father.Iris received more money than Nelly. When Iris bought
a gift for $36 and Nelly received an additional $38 from her
mother,their amount of money became the same.How much money did
Nelly receive from her father ?
8.Gayle bought 30 mugs and
keychains altogether.She was given a discount of $3 per mug and 50
cents per keychain .If she paid $60 less in all,how many more mugs
than keychains did she buy in all?
9.Mr and Mrs Yang bought their 3
children to a concert.The total cost of the concert tickets was
$150.A child ticket cost 3/8 as much as an adult’s ticket.Find the
cost of an adult’s ticket.
10.Class 5A sold 3 times as many
funfair coupons as Class 5B on Saturday.On Sunday,Class 5A sold
another 75 coupons while Class 5B sold another 127 coupons.The
total number of coupons sold by each class then became the
same.Find the number of funfair coupons sold by Class 5A on
Saturday.
