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Masja [62]
3 years ago
14

a wireless phone plan cost eric $35 for a month of service during which he spent 450 text messages. if he was charged a fixed fe

e of $12.50, how much did he pay per text?
Mathematics
1 answer:
Sonbull [250]3 years ago
6 0
35= 450X + 12.50 it should be .05 

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a square field has a side 150 m long .There is a road 5 m wide all around the park outside it .Find the cost of constructing the
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Answer:

Cost to construct the road = 775000 rupees

Step-by-step explanation:

Square field has a side = 150 m

Area of the field = (Side)²

                           = (150)²

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Length of the park with road around the field = 150 + 2×(width of the road)

                                                                            = 150 + (2×5)

                                                                            = 160 m

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Area of the park with road = (Side)²

                                            = (160)²

                                            = 25600 m²

Area of road = Area of the park with road - Area of the park

                     = 25600 - 22500

                     = 3100 m²

Since, cost of constructing the road = 250 rupees per square meter

Cost to construct the road with the given area = 250 × 3100

                                                                              = 775000 rupees

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