In a fruit shop the ratio of oranges to bananas is 7: 3 Altogether there are 150 oranges and bananas.
How many bananas are there in the shop?

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 45 bananas total

Step-by-step explanation: using the ratio 7:3 and 150 total

105:45

oranges:bananas

150-105=45

45 bananas

Step-by-step explanation:

7x + 3x = 150

10x = 150

x = 15

bananas: 15 x 3 = 45

oranges: 15 x 7 = 105

10 cm

step-by-step explanation:

if the polygon is a rectangle, then the perimeter is x+x+y+y. using the values that you gave, the perimeter is 3+3+2+2=10cm.