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My name is Ann [436]
3 years ago
12

Stevie has some marbles

Mathematics
2 answers:
IgorC [24]3 years ago
6 0

Let the number of marbles Stevie has = x.

Given Freddie has twice as many marbles as Stevie

Number of marbles Freddie has = 2x.

Given Danny has 5 more marbles than Freddie .

Number of marbles Danny has = 2x+5.

In total they have 55 marbles

x+2x+2x+5=55

Adding like terms :

5x+5=55

Subtracting 5 both sides

5x=50

Dividing both sides by 5

x=10

Number of marbles Danny has = 2x+5=2(10)+5=20+5=25



Citrus2011 [14]3 years ago
4 0
Stevie has 25marbles
Freddie's has 25x2:50marbles
Danny has 50+5:55marbles
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