Chapter 5. Chapter 5 Percentage Change
Pre-Test Question:
Math and Graphing Review
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You must read each slide, and complete any questions on the slide, in sequence.
Question
F+hadEMJ0vhPPr3f4U9tHNJ4wf5rvep7RapWmXyFbJ2eHKY4hdDjnDi0ZoZInXgJTohtGRHuaBbfTqNmqnxkDl5I+8iCetgFlMu5TtGZJyMW76bBk+/aET1R5BYKKOfp0uA5/eiwLV+ankfEAUkoEV8HP0SyU+y5jlF00wkXOzGRUBASZKw87Y52FeEYvQO3aWEbODaryfWjGMWw3TXSTDGWR3kdV5XqvNuh1n4LOR6ymOY5d4B+x772IHRotB1onL5ltCO3m2hDV+QVdmW91A==Correct! The price of orange juice rose by 25%.
Sorry, the price of orange juice rose by 25%. To determine the percentage change use the formula for percentage change: (5-4)/4=1/4=0.25=25%
Video
Post-Test Questions:
Question 5.1
qoFMStHHPMzNJ/Q34HRXSF73ka4xXgOcY4yqqPn9kXEB1XTX0uu4r80PR+rRG83QR6vkAdy8ZNoWztczkZLncWy40p6V7GbqYYkAvISfCfo9NR/j982whXCKzRrV9kW8Bwnwq5qiHzUjUS/Z+38lSegTuBse38zgiUQ7UF+IPO8f7oozll4PBAcUThnKTll/nmZePZC4qmDKygLDoPsy51zdmLEH8AW07DxrixdokYtHT4D2bAgTeRTucy8=Correct! The price of the TV decreased by 20%.
Sorry, the price of the TV decrease by 20%. To determine the percentage change use the formula for percentage change: (1000-1250)/1250=-250/1250=-0.2=-20%
Question 5.2
HLtz3B7Cu1CXLmYPgjnsBZSqmvuQ0No+UNh5mCPBuqREIDeiRPbxSZ/KYsXgahtI3pEJ+bA93F/kcePnt2p5ap2q1ywKnwZOGoo26dcyGoG2EO/BB4kWXfXgGC4XLu66fifdUyVqt37sEpQx+c86t8810a766LJ5ei7I36prf3HEJR+uulHXcwTNUls=Correct! The price of this TV was decreased $100.
Sorry, the price of this TV was decreased $100. To determine the change in variable use the formula for change in variable: 900-1000=-100
Question 5.3
M6Rc4yn+9SbDO23ph/xiEi0N0YwGfOs2vxT1t2UVQpTLujb7gjuUTf5U9Cw26Jl6Xp4xMLpAJdbRgLHhZ7cJ3aF/7D317zcOfrVUx1QVkDsnRQQ9egfx7hS2AHEHERJmQcbgMSAhYC+9T4kjSmDF6On30KTUXVFUseqwRiMK1yut65WNfmTxhzGVsr2keE8Au82qeGI1WgT97/D6bfSgE484/O3xdv7FmIm9Huf1Ons3HA8J9uwXfg1gkygSnyzrt8r3YOpmIJbZ1vnQFiXPKqyZtn8wmzb+v5KIzPJBh65rrGv6SJRDssOUYOJoYThcmSwySOGbM8A1Ur198cvg2v6AGGJmI/owSVQpojmT+vvJR14ouB7c8romGs4y0rCilgc/Diz2BwnUKNkh/i6g3oflfUhlj6F1GTnvg5mvxIWxJ2siFXE8Ew==Correct! The guest count increased by 33.3%.
Sorry, the guest count increased by 33.3%. To determine the percentage change use the formula for percentage change: (12-16)/12=4/12=0.333=33.3%
Question 5.4
yJMwspEW/3RWPPHYkL1z4NaEQhPbOdylcZUJZiXco1ayxI2jPyIr8gHBjSLmaSyn+YON5Xf34+j7S8ZylrKH1aBhmEfFfE6cy4p6/u9bGLRyZP5UqY17b2HN6qS92VnLygm/qLQxesu+eLCGQ+XY/XpgqU/YY/gqybf1BmRe+XwivvdomT40MPd/ht+e0pBpfHaDKbNMkkSmntWWvhC/Gl1Pvo2t0HJYL1MJlbnNMpQ0c8Q168rVKsMlbBLJKihpk3ADJPacmvQXu3kjM6Owl7vMOIfNMNLs2NlOJHYqe88LR9Y9kRMYyck6pS2zNS2BXC+shGie/cBl8+9tCorrect! The amount of candy on hand decreased by 30%.
Sorry, the amount of candy on hand decreased by 30%.. To determine the percentage change use the formula for percentage change: (500-350)/500=-150/500=-0.30=-30%
Question 5.5
b1wHgSJHqEgbGG7N5ETJDlM049PlgD6STa/5NCCW5QOvoxZoFu6A7TEvXjBr8i7yQLh7eaueAtRZsYg7CQkMMN+vR3JSjxeTDl30OalwL+zdighf0ZczAtkkUAqR3WzX58NJNBzqnh/NO5h0IY30b6CNPJhz09fhjrb57DmACodRz6ngkUIPIRPF48tQJQ6dQ4sfkK4Mm1iFwrnXJKRRMlu/plmxlQSdAk7kOaCDv5kOuX4bv7wRw7WAP0O2eZaHAjYIXQ==Correct! The price of gas rose by 6.08%.
Sorry, the price of gas rose by 6.08%. To determine the percentage change use the formula for percentage change: (3.29-3.49)/3.29=.2/3.29=0.0608=6.08%