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r chapter ~^ •• • B PERIOD DATE ' NAME Homework Practice iv' Solve and Write Multiplication Equations S o l v e e a c h e q u a t i o n . C h e c k y o u r solution. 1. 7q,= 6 3 , 7 n 2. Uk = 0^ 5._3u = 42 3. 13w = 39 4._55 = Ux_ II M 7. 14» = 70 S.3c = 3_ 1 9. 15s = 120 IT ^ 10. 35(7 = 5 3T 3^ 7 13. 72.= 14. 0.^86. = L 1 2 12. l | - j = 15 X "5 15.£.3g = 7.13 16. 40 = 1.0m Ho) 0 ^ 2 5 move forward t h r o u g h 2. S-m^ior-thick-^ 17. TIME The Russian ice brea^cer Yd ice at a speed of 5.5 kilometers per hour. W r i t e and solve a m u l t i p l i c a t i o n equation to find the number of hoi^rs i t w i l l take to t r a v e l 82.5 kilometers thrdkigb the ice. FUNDRAISING A school i s r a i s i n g m o n e y b y s e l l i n g c a l e n d a r s for $20 e a c h . M r s . H a w k i n s p r o m i s e d a p a r t y to w h i c h e v e r of h e r E n g l i s h c l a s s e s sold t h e most c a l e n d a r s over t h e c o u r s e of four week^^ the table to a n s w e r E x e r c i s e s 18-20. a 18. W r i t e and solve an equation to show the average number of calendars her 3rd period class sold per week d u r i n g the four-week challenge. I' Mrs. H a w k i n s * IPSindraising C h a l l e n g e Class Number of Calendars Sold 1st Period 60 2nd Period 123 3 r d Period 89 4 t h Period 126 ( L . Z 2 . 2 S ^-^ZT-u 19. How many calendars d i d the 1st and 2nd period classes sell on average per week? W r i t e and solve a m u l t i p l i c a t i o n equation, j f- t 2»-/''-=• QO'f' { 2 - 3 ~ ( § " 3 20. W h a t was the average number of calendars sold i n a week by a l l of her classes? t Z 0^ ^{9 S 4^l^|i||ffB^|BB!||EI^ For more examples, go to glencoe.com. 109 Chapter 7 •1 Course 1 NAME DATE PERIOD Problem-Solving Practice Solve and Write Multiplication Equations F o r E x e r c i s e s 1-3, u s e the table below. T h e table s h o w s the a m o u n t of e a c h k i n d of m a r i n e life i n B u n i t o ' s s a l t w a t e r a q u a r i u m . Bunito's Saltwater Aquarium Clown fish m Sea urchins a Seahorses 16 Starfish 9 1. The number of starfish is 3 times the number of clown fish. W r i t e and solve an equation to find how many clown fish are i n the aquariura. 2. The number of sea horses is 4 times the number of sea urchins. W r i t e and solve an equation to find how many sea urchins are i n the aquarium. 3 c ^ 3. The total cost of the starfish was $7.20. W r i t e and solve an equation to find how much one starfish cost./^ * f-. 4. MONEY Paz has $18 i n her wallet. This is 3 times the money i n her pocket. W r i t e and solve an equation to find how m u c h money Paz has i n her 5. PAGES Marquis read 230 pages of a novel i n 5 hours. W r i t e and solve a n equation to find how many pages he ^ read i n one hour. p — # ^^H^y 6. EXPRESS A n express delivery company charges by the pound. A package t h a t weighed 5 pounds cost $24.50 to overnight. W r i t e and solve an equation to find how much the delivery company would charge to overnight a package t h a t weighed 1 pound. ^ pffv^<^ Chapter 7 110 Course 1