83.8% decrease $15.12 110% increase $2,415 1x + 0.15x = 55; x=$47.83 87,750 people 1x - 0.12x = 12,540; x=14,250 people last 27,000 people year Yes, total is $68.44 1x - 0.16x = 399; x=$475 $248.40 1x + 0.085x = 162.75; x=$150 $66 $5 $350 5% $8.46 1x + 0.18x = 383.5, x=$325 $12.00 1x + 0.12x = 1624; x=1,450 15,651 students students last year 24.12 megs 1x - .015x = 450.50; x=$530 No, is $302.40 1x + 0.24x = 55.80; x=$45 $69.55 $2.50 $132 2 years $25.20 11,890 $133.33 $22.49 $107.10 ($6.80 tax, $15.30 tip separately) $16.50 $22.74 $192.15 $177.14 $16,200 8.18% $2,160 562.5 people so 562 people $79.96 $1071 $13.56 $206.25 Yes, it costs $19.18 on sale $77.78 13,592 people No, it will cost $243.43 $160.00 $35.28 ($2.24 tax, $5.04 tip separately) $5,700 $146.15 $622.09 35.3% $276.25 16.25% or 16% $28.86 $245.86 $17,480 $70 Percents Unit Review Name PMI 7th Grade Math ________________________
83.8% decrease 110% increase 1x + 0.15x = 55; x=$47.83 1x - 0.12x = 12,540; x=14,250 people last year 1x - 0.16x = 399; x=$475 1x + 0.085x = 162.75; x=$150 $5 5% 1x + 0.18x = 383.5, x=$325 1x + 0.12x = 1624; x=1,450 students last year 1x - .015x = 450.50; x=$530 1x + 0.24x = 55.80; x=$45 $2.50 2 years 11,890 $22.49 $16.50 $192.15 $16,200 $2,160 $79.96 $13.56 Yes, it costs $19.18 on sale 13,592 people $160.00 $5,700 $622.09 $276.25 $28.86 $17,480 $70 $15.12 $2,415 87,750 people 27,000 people Yes, total is $68.44 $248.40 $66 $350 $8.46 $12.00 15,651 students 24.12 megs No, is $302.40 $69.55 $132 $25.20 $133.33 $107.10 ($6.80 tax, $15.30 tip separately) $22.74 $177.14 8.18% 562.5 people so 562 people $1071 $206.25 $77.78 No, it will cost $243.43 $35.28 ($2.24 tax, $5.04 tip separately) $146.15 35.3% 16.25% or 16% $245.86 Percents Unit Review PMI 7th Grade Math Name ________________________
percents-chapter-problems-3-2015-02-191.docx