Lory has 56 marbles. she gets 15 marbles for her birthday .lory then gives 22 marbles away .how many marbles does lory have left

Lory has 49 marbles.

Solution:

Number of marbles Lory had before her birthday = 56

Number of marbles Lory got on her birthday = 15

On adding both the above values we get the total number of marbles.

Total number of marbles Lory has =

Number of marbles Lory gave away = 22

On subtracting the number of marbles given by Lory from the total number of marbles we get the number of marbles left with Lory

i.e, Number of marbles left with lory =

Thus, number of marbles left is 49.

answer: for each 3 girls there is 2 boys . 3: 2

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answer

a,b, and d

explanation

a reflection angle is more than

but less than;

an angle that measures

is a reflex angle.(true)

an angle that measures less than

is acute.(true)

provided we are considering angles greater or equal to zero.

an acute angle lies in the range.

an obtuse angle is less than 180° but more than 90°

an angle that measures 300° is obtuse (false)

an angle that measures 65° is an acute angle.(true)