Anna walks 31 km at a speed of 5 km/h. Both values are correct to the nearest whole number. Work out the upper bound of the time taken for Anna's walk. DISTANCE: UB = 31.5; LB = 30.5 UB: 5.5 LB: 4.5 SPEED DISTANCE TIME SPEED i TIME = DISTANCE SPEED = LB SP OBDIST 31.5 = 4.5 7 7 hours [2]

Anna walks 31 km at a speed of 5 km/h. Both values are correct to the nearest whole number. Work out the upper bound of the time taken for Anna's walk. DISTANCE: UB = 31.5; LB = 30.5 UB: 5.5 LB: 4.5 SPEED DISTANCE TIME SPEED i TIME = DISTANCE SPEED = LB SP OBDIST 31.5 = 4.5 7 7 hours [2]

Algebra: Structure And Method, Book 1

(REV)00th Edition

ISBN:9780395977224

Author:Richard G. Brown, Mary P. Dolciani, Robert H. Sorgenfrey, William L. Cole

Publisher:Richard G. Brown, Mary P. Dolciani, Robert H. Sorgenfrey, William L. Cole

Chapter10: Inequalities

Section10.3: Solving Problems Involving Inequalities

Problem 14P

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Question

Anna walks 31 km at a speed of 5 km/h.
Both values are correct to the nearest whole number.
Work out the upper bound of the time taken for Anna's walk.
DISTANCE: UB = 31.5; LB = 30.5
UB: 5.5 LB: 4.5
SPEED DISTANCE TIME
SPEED i
TIME =
DISTANCE
SPEED
=
LB SP
OBDIST
31.5
=
4.5
7
7
hours [2]

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