AccelePrep for the ACT Test 2nd Edition Student Text

76 • S URGE TO S UCCESS ! M ATH T EST P REP

1. A professional chef knows that a certain food product loses 10 percent ‘ˆ ‹–• ™‡‹‰Š– †—”‹‰…‘‘‹‰Ǥ ˆ –Š‡…Š‡ˆ ™ƒ–• –Š‡…‘‘‡† ’”‘†—…– –‘ weigh exactly 1 pound, what weight, in pounds, of uncooked product should be used? Ǥ 10 9 Ǥ 1 11 1 Ǥ 1 10 1 Ǥ 1 9 1 Ǥ 1 8 1 Š‹Ž‡ •‘‡ ’”‘„Ž‡• ƒ”‡ •‹’Ž‡ ƒ† •–”ƒ‹‰Š–ˆ‘”™ƒ”†ǡ ‘–Š‡”• ƒ”‡ ‘”‡ complex, particularly real-world story problems and applied geometry ’”‘„Ž‡•Ǥ Š‡ ‘”‡…‘’Ž‡š –Š‡ “—‡•–‹‘ǡ –Š‡ ‡ƒ•‹‡” ‹– ‹• –‘ ‹•”‡ƒ† ƒ† •‡– ‘ˆˆ †‘™ –Š‡ ™”‘‰ –”ƒ…Ǥ ‘” Ž‘‰ ‹–‡ •–‡•ǡ —†‡”Ž‹‡ –Š‡ ‡› ’ƒ”– ‘ˆ –Š‡ “—‡•–‹‘Ǥ

Example:

READ THE QUESTION CAREFULLY PACING TIP This example demonstrates another type of common †‹•–”ƒ…–‘”ǣ –Š‡ ’ƒ”–‹ƒŽ ƒ•™‡”Ǥ In this example, (D) is a partial answer; we had to calculate it on the way to •‘Ž˜‹‰ ˆ‘” ‡•–‡”ǯ• ƒ˜‡”ƒ‰‡ •’‡‡†ǡ „—– ‹–ǯ• ‘– –Š‡ ϐ‹ƒŽ ƒ•™‡”Ǥ The moral: Make sure that the answer you select is the ϐ‹ƒŽ ƒ•™‡”ǡ…‘””‡•’‘†‹‰ –‘ –Š‡ ‹–‡ •–‡Ǥ STRATEGY ALERT ‡ –›’‡ ‘ˆ ƒ––”ƒ…–‹˜‡ distractor is an answer choice that contains some or all ‘ˆ –Š‡ ˜ƒŽ—‡• ‡–‹‘‡† ‹ –Š‡ ‹–‡ •–‡Ǥ ’‘––‹‰ –Š‡ ƒ–…Š‹‰ ˜ƒŽ—‡•…‘—Ž† Ž‡ƒ† ƒ careless test taker to fall for –Š‹• –”ƒ’Ǥ Š‹• ‡šƒ’Ž‡ •Š‘™• how this type of distractor is —•‡†Ǥ PAY ATTENTION TO UNITS

Example:

2.

Ǥ 6 3 2 miles per hour Ǥ ʹ͸ ‹Ž‡• ’‡” Š‘—” Ǥ 26 3 2 miles per hour Ǥ ͶͲ ‹Ž‡• ’‡” Š‘—” Ǥ ͸Ͳ ‹Ž‡• ’‡” Š‘—”

‘‡ ’”‘„Ž‡• ‹˜‘Ž˜‡ —‹–…‘˜‡”•‹‘•ǡ •—…Š ƒ• ˆ‡‡– –‘ ‹…Š‡• ‘” Š‘—”• –‘ ‹—–‡•Ǥ Š‡ ‹–‡ •–‡ •–ƒ–‡• ™Šƒ– —‹–• –‘ —•‡ǡ ƒ† ‹ˆ –Š‡ –‡•–Ǧ™”‹–‡” senses any possible confusion, the units for the answer choices will be ‡’Šƒ•‹œ‡†Ȅ—†‡”Ž‹‡†ǡ „‘Ž†ˆƒ…‡†ǡ ‹–ƒŽ‹…‹œ‡†ǡ ‘”…ƒ’‹–ƒŽ‹œ‡†Ǥ Š‡ ›‘— •‡‡ ƒ ‡’Šƒ•‹œ‡† ™‘”†ǡ…‹”…Ž‡ ‹– ƒ† ’—– ƒ •–ƒ” „‡•‹†‡ ‹–Ȅ‹–ǯ• ˜‡”› ‹’‘”–ƒ–Ǥ 3.

Example

Explanations for the example questions are included later in the chapter. Circle your answers now. Later when you reach the explanations at the end of the section, come back and check to make sure you answered the questions correctly.

Ǥ ͹ͺͲ Ǥ ͶǡʹͲͲ Ǥ Ͷǡ͸ͺͲ Ǥ ͶǡͺͲͲ Ǥ ͹ǡͺͲͲ